Get quick answers when you enter math equations or conversions in the Google Search box. A TI graphing calculator is ideal for students to use in math and science classes from middle school through college. Not all web page actually open to a calculator at this time, however there will be the associated calculator in the near future. Online calculators for everything. It's so fast and easy you won't want to do the math again!. Online calculator supports both simple arithmetic operations and calculation of percentages, exponentiation and root calculation. (10) FX-55 Plus Calculators in Storage Case; True Fraction Display; Division With Remainder. We will learn how to build scientific calculator in c++. Check out this Author's contributed articles. Here's a quick review of how to recognize a scientific calculator, what the keys mean, and how to enter data correctly. You have errors in your graphing data, please correct it. ca for a wide selection of basic & advanced calculators. Experience how creativity becomes contribution. Everybody needs a Calculator at some point -- Full Screen, Fast Loading and FREE! Check it out! Online Calculator! From the Simple Calculator below, to the Scientific or BMI Calculator. The calculators are for geometry and chemisrty mostly. Using scientific calculator with shift: Click on numbers and functions in Calculator just as you would with a standard calculator. Best Buy Canada has a great selection of scientific notation calculators!. I did find Microsoft Mathematics ver 4. Instead, you must use the Power function to do this. Free online factoring calculator that factors an algebraic expression. This calculator can be used by engineers, planners, designers, meters and other professionals working in construction, security, geometry, mining and engineering. DRI Calculator for Healthcare Professionals. Visit Mathway on the web. For 2 number x1 and x2: x 1 = a 1 × 10 b1. The code is below: import tkinter from tkinter import * from cmath import log, log10, pi, e, sin, cos, sqrt, tan, sinh, cosh, tanh from math import pow, atan2, hypot, asinh, degrees,…. ceil Returns the smallest (closest to negative infinity) value that is not less than the argument and is an integer. Shop online for a wide selection of Fisherbrand Solar Desktop Calculator, 8-Digit Solar-powered unit can be read in any light. This is an online basic scientific numerical calculator with support for sin, cos, tan, square root, x^y, inverse, logarithmic, log base 10, factorial, percentage, logarithm and basic calculator operations like addition, subtraction, division, multiplication. Those you can do with a basic calculator, those testing proficiency with a scientific calculator and those requiring the advanced abilities of a graphic display calculator. ake scientific calculator using c++. Training Wheels for Your Mind. 3333333333333333. TI-34 - MultiView Scientific Calculator Calculator pdf manual download. In an article in the journal Wireless World, Nigel Searle of Sinclair Radionics Ltd outlined a general problem of calculator manufacturers: "When considering new products, a calculator manufacturer is constantly faced with the problem of whether to buy a standard chip from a semiconductor house, or to design a new. Signup for detailed step-by-step solutions. The Casio FX-115ES Advanced Scientific Calculator features over 279 functions and provides its user with everything they need for most mathematical calculations. Numbers in scientific notation are actually an equation of a coefficient multiplied by 10 to the nth power. The versatile calculator features a MultiView four-line display to show multiple calculations at the same time, and built-in solvers provide quick solutions to linear equations and numeric equations. Site Sponsored by artist Francis Kelly. Scientific calculator online and mobile friendly. Their relative priority is in the order above (higher up means processed earlier). CASIO Calculators Global. Find standard and scientific calculators to take math problems with ease. Only the calculators listed on this page are acceptable for the Math Test—Calculator portion of the test. It's still a great calculator, but I'm not about to let a student borrow it. Whether you are an engineer, mathematician, student, or designer, this useful tool has a variety of applications spanning physics, mathematics, geometry, and algebra. Buy products such as Texas Instruments TI-30X IIS Scientific Calculator, 10-Digit LCD at Walmart and save. Calculate your retirement savings and more. As imaginary unit use i or j (in electrical engineering) which satisfies basic equation i 2 = −1 or j 2 = −1. 2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. 99 at Target. This is a calculator manual collection for pre-LCD electronic calculators; HP and TI calculators are specifically excluded from this site because:. For Mathematical Problems that can't be solved with a normal Mathematical Calculator, use the free Scientific Calculator!. Microsoft Mathematics provides a graphing calculator that plots in 2D and 3D, step-by-step equation solving, and useful tools to help students with math and science studies. 2) A free webpage calculator with live MathML display This page requires Internet Explorer 6+MathPlayer or Mozilla/Firefox/Netscape 7+. Browse your favorite brands affordable prices free shipping on many items. It allows dealing with various advanced mathematic operations such as derivatives, functions and algebras. Online calculators for everything. CASIO Scientific / Graphing Calculators are used in over 100 countries and have become indispensable in mathematics classes around the world. Results are shown only with as many significant figures as the quantity that was entered. > TI models: Press [SCI/ENG]. Scientific Calculator is a fully-functioning JavaScript calculator that contain of practically any common and many advanced calculator functions: cosine, sine, tangent, power, square root, exponents, round numbers, etc. Better Templates for Everyone - A template language and template engine implemented in Java that can generate static content or dynamically compile pages with Java Servlets. This online scientific calculator incorporates a range of functions that allow you to perform any calculation. Fortunately, there are apps like Scientific Calculator that. Keep your stationery cupboard at work, home or classroom fully stocked with our assortment of Calculators including Scientific Calculators. A scientific calculator is a calculator with all the arithmetic capabilities of a basic calculator plus trigonometric, statistical, logarithmic, binary logic, etc. A business calculator will do the operations in the order you enter them and give 25. Online Scientific Calculator. It is the study and analysis of nature and universe. There are many kinds of calculators, but most calculators have the same standard keys that allow users to complete a variety of calculations. 3333333333333333. Scientific Calculator ZENO-5000 is a lightweight web application (<40kb), utilizing the latest HTML5/CSS3 features and client-side jQuery/Java scripting. Includes basic handheld calculator functions for square, square root, percent, sign change, Pi and memory. Get this Texas Instruments 30XIIS Scientific Calculator - Blue deal for $8. It costs $9. Calculator Types – Calculators come in several different varieties. Our free online financial calculators can calculate financial ratios, calculate personal finance metrics, and even tell you if you are saving enough money!. Calculator to multiply, divide and convert numbers written in scientific notation. re real part of complex number. The Negative Number Calculator an online tool which shows Negative Number for the given input. Easy to use and functional! High productivity is guaranteed due to big buttons and convenient features packed in a visually stunning design. This article talks about 5 best scientific calculator software for Windows 10. Use the search box to find your required metric converter →. com offers 245 large scientific calculator products. Super Visually Perfect Algebraic Method All the features of the existing V. Here are the top choice for scientific, graphing and notation calculators. PCalc Lite (iOS: Free, with in-app purchases) PCalc Lite for iOS has a well-deserved spot on this list as a free, extremely flexible scientific calculator armed with powerful features while also. Percentage Calculator. Double-harpoon. Aren't you one of the first guys to jump on people for asking for free code to do their homework? How come this guy gets a complete project instead of the lecture about learning from doing homework himself, etc. Omni Calculator solves 841 problems anywhere from finance and business to health. scientific calculator free download - Scientific Calculator, Smart Scientific Calculator, DreamCalc Scientific Graphing Calculator, and many more programs. Best algebra calculator online. Wide range of Scientific Calculator manufacturers from Texet Sales Ltd. For example, 2. I remember pressing buttons to be able to perform this function. Significant figures are used. Scientific calculator in c 1. This tool will calculate daily nutrient recommendations based on the Dietary Reference Intakes (DRIs) established by the Health and Medicine Division of the National Academies of Sciences, Engineering and Medicine. Shop our great selection of financial & scientific calculators at Grand & Toy. Calc4Chem is a JavaScript scientific calculator for chemists. , LTD and many more programs are available for instant and free download. Shop for Scientific Calculators in Calculators. Buy brands including Canon, Sharp & HP. Just enter 2 known values and the calculator will solve for the others. Calculators Buy Calculators in NZ. Every once in a while, I come across a product where I say, I've got to take that apart. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems. In addition, explore hundreds of other free calculators covering topics such as finance, math, fitness, and health. Scientific notation may be used for large results or if the number of significant digits would be ambiguous otherwise. 5,616 likes · 4 talking about this. Educators - HP's emul ator software provides you with a fully functional replica of any HP calculator model. Physics is an interesting and important branch of Science, that studies about matter. They can handle algebra or trigonometry equations and can even show graphs or pie charts of the calculations. Complete your math and science tasks faster with this Texas Instruments scientific calculator. Our Percent Calculator calculates percentages based on various inputs including ratios, fractions, percentage grades, statistics and percentage increase/decrease. It costs $9. For easy readability, the answers are displayed in a "significant figure" format so you will not see answers such as 77. Get the best deal for Scientific Calculators from the largest online selection at eBay. It's not the most scientific way of choosing products to feature in our popular Tear Down. Scientific calculators are must-have tools for higher math such as Algebra, Trigonometry, and Geometry. About A Basic Scientific Calculator Beautifully designed basic scientific calculator with support for percent operation, engineering exponent key, memory functions, and more. Basic Online Calculator with 10-digit keypad and 4 functions to add, subtract, multiply and divide numbers. I did find Microsoft Mathematics ver 4. RNAi, Oligos, Assays, Gene Editing & Gene Synthesis Tools. Out of these, the two most popular ones are a scientific and graphing calculator. 95, or fast store collection. Educators - HP's emul ator software provides you with a fully functional replica of any HP calculator model. This calculator will perform addition, subtraction, division, or multiplication on two given scientific notations (SN, also referred to as exponential notation). Visit Mathway on the web. Pundits may debate whether a scientific calculator is a tool or a crutch, but at some point in your education, you’re going to need one. Physics is an interesting and important branch of Science, that studies about matter. This is a free online math/scientific calculator similar to those from TI, Casio, HP and others. It is simple to use these specially designed calculators: Enter the values of the known variables in the text boxes; Leave the text box empty or the variable you want to solve for. Shop online now!. Signup for detailed step-by-step solutions. , LTD and many more programs are available for instant and free download. Free online factoring calculator that factors an algebraic expression. Software, projects, and documents by Stephen Ostermiller. Buy products such as Texas Instruments TI-30X IIS Scientific Calculator, 10-Digit LCD at Walmart and save. In addition, explore hundreds of other free calculators covering topics such as finance, math, fitness, and health. Type your algebra problem into the text box. Keys: pi, e, standard gravity, gas constant, sin, cos, tan, asin and more. Four Function Scientific. re real part of complex number. eCalc is offered as both a free online calculator and as a downloadable calculator. Online arctan(x) calculator. They have almost completely replaced slide rules in traditional applications, and are widely used in both education and professional settings. Scientific notation calculator to add, subtract, multiply and divide numbers in scientific notation. The calculators are for geometry and chemisrty mostly. View and Download Texas Instruments TI-34 - MultiView Scientific Calculator user manual online. The Scientific Calculator can be used to work out answers to complex mathematical equations, such as, trigonometry, algebraic and geometry equations. This calculator does basic arithmetic on complex numbers and evaluates expressions in the set of complex numbers. com offers 245 large scientific calculator products. See your article appearing on the GeeksforGeeks main page and help other Geeks. Everybody needs a Calculator at some point -- Full Screen, Fast Loading and FREE! Check it out! Online Calculator! From the Simple Calculator below, to the Scientific or BMI Calculator. Scientific calculators are a necessity for solving complex equations with its scientific funcions. This is a brief post on scientific calculators for computer users. series plus a new. Low Vision Talking Scientific Graphing Calculat New Dual Language Calculator for Visually Impaired. Please note that due to scheduling problems I will be unable to fulfill any orders from June 21 through July 15. The Classwiz series offers a new high-resolution LC display with 192x63 pixels and a resolution that is four times higher than that of the familiar displays of the FX-ES Plus series. Many standardized tests and college entrance exams permit or even require the use of a graphing calculator. Powerful, original Financial Consultant features take much of the work out of financial calculations! Graphic calculators. π e e MC MR MS M+ M-. Shop online for the best NZ prices on Scientific, Financial, Office, Student & Print Calculators. It has the function to show step by step decisions for any complicated problem. 10-digit scientific calculator with a 2-line display; For students studying general math, algebra, geometry, trigonometry, and calculus; Allows students to enter the elements of an expression in the exact order they appear in the textbook. You might know all the formulas for math and science problems, but if you don't know how to use your scientific calculator, you'll never get the correct answer. Use free scientific calculator to make simple and complex calculations using various trigonometric & logarithmic functions. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Our free online scientific calculators can calculate any kind of problem that a regular scientific calculator can calculate in addition to scientific formulas and more!. π e e MC MR MS M+ M-. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e. Byju's Negative Number Calculator is a tool which makes calculations very simple and interesting. Easy to use and 100% Free!. Scientific Calculator found in: Jot 10-Digit Scientific Calculators, …to calculate! Battery-operated calculators solve basic math, algebra, geometry, statistics, and more and feature 56 functions, memory, and. The following steps show how to write a advanced Calculator: 1. Charitable Cans to Paint Objective Students will find the surface area of a cylinder, using the formula 2πr2 + 2πrh. You can filter our collection of scientific calculators by price, features, brands and customer review ratings. Menstrual periods are different from woman to woman and month to month. You can operate the calculator directly from your keyboard, as well as using the buttons with your mouse. Scientific calculator Icons - Download 181 Free Scientific calculator icons @ IconArchive. version}}] About © Calculator Tab 2007 -. Calculator is installed by default in Ubuntu. We've got great savings on berrios formula scientific calculator throw pillow east urban home from East Urban Home. Get the best deal for Scientific Calculators from the largest online selection at eBay. Out of these, the two most popular ones are a scientific and graphing calculator. Peak DNA digestion without. For example, enter 3x+2=14 into the text box to get a step-by-step explanation of how to solve 3x+2=14. Scientific calculators are a necessity for solving complex equations with its scientific funcions. CASIO Scientific / Graphing Calculators are used in over 100 countries and have become indispensable in mathematics classes around the world. eCalc is a free and easy-to-use scientific calculator that supports many advanced features, including unit conversion, equation solving, and even complex-number math. Just enter 2 known values and the calculator will solve for the others. Buy Casio Scientific Calculators from authorized online store CasioIndiaShop. It is free and open-source software, licensed under the GPL. Free math lessons and math homework help from basic math to algebra, geometry and beyond. With over 300 lines in stock Calculators-Online is one of the foremost suppliers of electronic calculators in the UK more. There is a basic calculator for your every day needs, a scientific. They have almost completely replaced slide rules in traditional applications, and are widely used in both education and professional settings. A business calculator will do the operations in the order you enter them and give 25. Scientific Calculator found in: Jot 10-Digit Scientific Calculators, …to calculate! Battery-operated calculators solve basic math, algebra, geometry, statistics, and more and feature 56 functions, memory, and. > TI models: Press [SCI/ENG]. The student is permitted to use a non-scientific calculator for tests. The Which Graphing Calculator. Functions of this calculator 1. Solve advanced problems in Physics, Mathematics and Engineering. The calculator follows proper rounding rules for scientific purposes. About Advanced Scientific Calculator An easy to use scientific calculator with many advanced features to help you solve algebra, trigonometry, and engineering math problems. You can add a scientific keypad to calculate logarithms, a trigonometric keypad to calculate angles, and a fraction keypad to form, add, subtract, divide, and multiply fractions. ) is a free tool for solving common introductory mechanics problems. For example, 2. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Use the search box to find your required metric converter →. This desk model (6. Free online factoring calculator that factors an algebraic expression. This calculator can be used as a common scientific calculator (sin, cos, log, power, root, memory). COD Available. com offers 245 large scientific calculator products. Contact: calculator@sigfigscalculator. Calculator - using the calculator and functions. There are many kinds of calculator such as, business calculator, scientific calculator and so on. DreamCalc Scientific Graphing Calculator is the ultimate free Windows calculator for math, business, science and education. Sci-Plus calculator allows people with low vision to perform scientific, statistical and trigonometric calculations and fractions, and evaluate functions on a portable calculator. A scientific calculator is an invaluable tool while learning math or science. Origins and meanings of mathematical and scientific symbols, from the magnificient to the obscure. Scientific Calculators at Walgreens. You can filter our collection of scientific calculators by price, features, brands and customer review ratings. Scientific notation, or standard form, is a way of representing very large numbers or very small numbers in a shorter format. Numbers in scientific notation are actually an equation of a coefficient multiplied by 10 to the nth power. scientific calculator source code developed in java swing, java calculator, swing calcualtor, awt calculator, java fx calculator, calculator source code anddeep,this is java code for scientific calculator,java applet program example, java simple scientific calculator free source code. Canada (Français). Calculator to multiply, divide and convert numbers written in scientific notation. Ordinary calculators can handle factorials, but you have to enter them manually, and this can be time-consuming if you're taking the factorial of a bigger number. Whether you're at school, home, or in the office a scientific calculator is a handy tool for quick calculations. This License: Free OS: Windows XP Windows Vista Windows 2000 Windows 7. exe file is a software component of Euro Calculator, WorldCalc, SkinCalc by Cloanto. Visit Mathway on the web. Scientific Calculator. Answers are provided in scientific notation and E notation/exponential notation. Download scientific calculator casio windows for free. The first solid-state electronic calculator was created in the early 1960s. Scientific Calculator. The online scientific calculator with advanced functions is displayed primarily, clicking on the standard calculator link will display the free online mathematical calculator. A fully featured scientific calculator with convert fractions, calculate areas of circles, perform trigonometry and type out fancy equations. Welcome to the Desmos scientific calculator. RealCalc is a real scientific calculator, just like the name states, and students will find it useful in advanced math and science courses. Scientific calculators are must-have tools for higher math such as Algebra, Trigonometry, and Geometry. then press (+/-) button and in the end (:). We have a great range of School Calculators from top brands. You can filter our collection of scientific calculators by price, features, brands and customer review ratings. Algebraic Expressions: Complex Numbers: Trigonometric Functions: Exponents and Roots: Logarithms: Statistical Functions: Polar Forms: Hyperbolic Functions: Memory. Shop our collection of scientific calculators, graphing calculators, desktop calculators and more. Scientific notations addition. CreativeArts. Update your calculator to the latest OS. Texas Instruments BAII Plus Scientific/Business Calculator. A TI graphing calculator is ideal for students to use in math and science classes from middle school through college. Shop online for a wide selection of Fisherbrand Solar Desktop Calculator, 8-Digit Solar-powered unit can be read in any light. Use the left arrow key to select FLO. * I am not a math expert, nor was I trying to make a comprehensive scientific calculator. See why Texas Instruments (TI) is the #1 recommended brand of graphing calculator in the U. With over 300 lines in stock Calculators-Online is one of the foremost suppliers of electronic calculators in the UK more. Calculator runs on PCs, tablets and smartphones. eCalc is a free and easy-to-use basic calculator that supports basic calculation features. com and get expedited shipping. Innovative products bring joy, create new lifestyle and pave the way for related economies - especially, if they have been developed by CASIO. Its a calculator with the following functions: +,-,/,x,M+,M-,M,Mc,sin,tan,cos,square root,square with/without decimal in radians/degrees. Two kinds of milk, one which has 1% butterfat, and the opposite that has 3. Answers are provided in scientific notation and E notation/exponential notation. Some solve problems, some satisfy curiosity. In this post, we are going to discuss Top 5 Best Calculator Apps for Windows 10 [Scientific Calculators]. Enter a number or a decimal number or scientific notation and the calculator converts to scientific notation, e notation and engineering notation formats. This easy-to-use scientific notation calculator and converter can perform a range of operations in scientific notation, including adding, subtracting, multiplying, and dividing numbers. Sharp calculators offers printing, non printing, scientific, handheld, and pocket calculation solutions. 5% of butterfat, are Scientific calculator …. Download Scientific Calculator Free 6. Powerful, original Financial Consultant features take much of the work out of financial calculations! Graphic calculators. The History Of Scientific Calculators. 53*1012 will display as 2. com and to the website of a third party distributor of Sharp-branded calculators. Four Function Scientific. They are starting to no longer work. In addition, explore hundreds of other free calculators covering topics such as finance, math, fitness, and health. Here are the top choice for scientific, graphing and notation calculators. jCalc - Free Online Scientific Calculator. Everybody needs a Calculator at some point -- Full Screen, Fast Loading and FREE! Check it out! Online Calculator! From the Simple Calculator below, to the Scientific or BMI Calculator. Scientific Calculator found in: Jot 10-Digit Scientific Calculators, …to calculate! Battery-operated calculators solve basic math, algebra, geometry, statistics, and more and feature 56 functions, memory, and. Microsoft Mathematics provides a graphing calculator that plots in 2D and 3D, step-by-step equation solving, and useful tools to help students with math and science studies. Yet a careful reading (by the author) of the number substrands for Years 6 to 10A, suggests that learning related to 37 of the 38 content descriptions can be supported and enhanced through the careful use of a modern scientific calculator, many more than are flagged in the official documentation. , use millimeters per year for seafloor spreading). Contact: calculator@sigfigscalculator. Scientific calculator Icons - Download 181 Free Scientific calculator icons @ IconArchive. I am also unfamiliar with MC, MR, MS, and M+. Here is a list of best free scientific calculator softwares, These scientific calculator software let you do basic as well as complex calculations easily,These has large catalog of functions. Financial calculators. The biggest difference is the answer you get when you press the keys 2+3*5= The scientific calculator gives the right answer (17) and a normal calculator gives the answer 25. A scientific calculator is a calculator with all the arithmetic capabilities of a basic calculator plus trigonometric, statistical, logarithmic, binary logic, etc. RealCalc is a real scientific calculator, just like the name states, and students will find it useful in advanced math and science courses. Four Function and Scientific Check out the newest additions to the Desmos calculator family. There are many kinds of calculator such as, business calculator, scientific calculator and so on. (10) FX-55 Plus Calculators in Storage Case; True Fraction Display; Division With Remainder. Scientific Calculators. Online calculators for everything. Online Scientific Calculator. Answers are provided in scientific notation and E notation/exponential notation. x 1 + x 2 = a 1 × 10 b1 + a 2 × 10 b2. Thermo Fisher Scientific is dedicated to improving the human condition through systems, consumables, and services for researchers. The Calculator automatically determines the number of correct digits in the operation result, and returns its precise result. Calculate your retirement savings and more. Choose the durable HP 10s+ Scientific Calculator with a user-friendly design, easy-to-read display and a wide range of algebraic, trigonometric, probability and statistics functions for your math and science classes. Basic calculator for everyday calculations and a scientific mode for more extensive math. Enter (3+2*5 =) in that order. For math, science, nutrition, history. Four Function and Scientific Check out the newest additions to the Desmos calculator family. Free graphing calculator instantly graphs your math problems. You can add a scientific keypad to calculate logarithms, a trigonometric keypad to calculate angles, and a fraction keypad to form, add, subtract, divide, and multiply fractions. Scientific Calculator / Calc. Ovulation Calculator. Related terms: school, college, student, university, high school, secondary school, education maths, calculus, physics, Casio, Texas Instrument, TI, Hewlett-Packard, HP. This is an online scientific calculator with double digit precision that support both button click and keyboard type. We are a group of analysts and researchers who design experiments, studies, and surveys on a regular basis. Scientific calculator has a large set of computational functions. Two kinds of milk, one which has 1% butterfat, and the opposite that has 3. Simple interest is money you can earn by initially investing some money (the principal). The calculator is very good it is a very helpful device for very long mathematical calculations. More than a financial and scientific calculator from simple to long and complex expressions, advanced math functions, financial calculations, unit conversions,. There are so many choices so we had a hard time. Designed for use by students, teachers, and engineers, these calculators feature additional functions beyond the addition, subtraction, division, and multiplication of traditional models. The following steps show how to write a advanced Calculator: 1. Repair guides for different sorts of graphing and scientific calculators. Date Calculator: Add to or Subtract From a Date. Signup for detailed step-by-step solutions. Free Online Scientific Notation Calculator. Enter (3+2*5 =) in that order. Get the best deal for Scientific Calculators from the largest online selection at eBay. Physics Calculators Online. Use the left arrow key to select FLO. It costs $9. Experience how creativity becomes contribution. You'll find Scientific Calculators, Graphic Calculators, Printing Calculators and Kids Calculators within our range. Usually, it is close to those shown below. Canada (Français). Scientific notation is the way that scientists easily handle very large numbers or very small numbers. In addition, explore hundreds of other free calculators covering topics such as finance, math, fitness, and health. In a previous post of a Javascript Scientific Calculator I had mentioned I would be discussing other calculators. Click on numbers and functions in Calculator just as you would with a standard calculator.