Online calculators to help you with math.
Texas Instruments Student Center
In addition to useful product information, you’ll find tons of cool stuff – games, homework help, and lots of freebies.
Webmath Instant Solutions
Solve problems from basic math, through algebra, trig, calculus and data analysis and word problems.
Elementary Math Calculators
Teach yourself how to use this ancient Chinese calculating instrument. It’s handy when your calculator battery is dead.
Chisenbop is a method of doing basic arithmetic using your fingers. It is attributed to the Korean tradition, but it is probably extrememly old, as the soroban and abacus use very similar methods. Probably these other devices were derived from finger counting. Real Player movies show you how to use your fingers as a calculator.
Order of Operations Calculator
Does a problem like this drive you nuts: 7+7/7+7*7-7? Just type it in this calculator and it will even show you the steps to solving such a problem.
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Intermediate Math Calculators
How to Use Google as a Calculator
What’s the cube root of 29? The sine of 55 degrees? Or the value of π/4? Do you need to search for your trusty calculator or pull out your phone to find out? No—you can just ask Google. Keep on reading The Math Dude to find out how.
A handy reference page for hundreds of links to calculators far beyond basic math: historic, fractions, conversions, geometry, physics. Also links for math dictionaries and symbol explanations.
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How to use the Google calculator
Google’s calculator tries to understand the problem you are attempting to solve without requiring you to use special syntax. However, it may be helpful to know the most direct way to pose a question to get the best results.
Math Cats Convert Numbers
Three handy conversion calculators: for length, weight and volume. Converts between any metric or English measurement into the equivalent for all the rest.
Convert just about anything to anything else. Over 5,000 units, and 50,000 conversions.
Tech Tip: Using Siri as a Quick Calculator
Sometimes pulling up the calculator on an iPhone just to make a quick calculation can take more time than if you just did the numbers on a piece of paper. You have to find the app, clear any previous results, and then hope you tap the right buttons. It’s even worse on the iPad, since Apple chose not to provide a calculator app with its tablet. That’s no problem, since Siri will be glad to help you with many calculations.
Advanced Math Calculators
Building Complex Machines Using LEGO®
Having always loved complex mechanical devices, and never having fully outgrown LEGO, I decided to explore where computational mechanics and LEGO meet. This is not LEGO as toy, art, or even the MindStorms® fusion of LEGO and digital electronics. This is almost where Steampunk and LEGO meet. Hand cranked devices that perform complex mechanical tasks.
Data Analysis & Statistics
Just enter your data and find the average, the standard deviation, and look at the histogram. From Webmath.
Educational Math Converters and Calculators
Useful for students needing calculators for geometry, algebra, trig and physics.
How to use a Scientific Calculator
Want to know how to use your scientific calculator? We thought this might be useful – here’s an an easy-to-follow step by step guide. On YouTube, search for your own brand of calculator to get a brand-specific lesson.
It works an expression step by step so students can see the process, find mistakes in their work, and learn good homework habits.
An automated service for answering common math problems over the internet. Think of it as an online calculator that solves equations and does all sorts of algebra and calculus problems – instantly and automatically!
Online calculator similar to a TI-83 or TI-84.
Solving Quadratic Equations
This program solves Quadratic Equations. Enter the coefficients in the appropriate boxes and then click Solve. The results will appear in the boxes. Good way to check your work.