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Free Online Calculator Resources
Did you know that you don’t have to purchase an expensive handheld calculator for your math course? There are a host of freely available online calculators sites and apps out there for you to use. The purpose of this page is to list some of the currently available options for free calculator resources. These calculators listed on this page are free to use without subscription.
Desmos Scientific Calculator
This free scientific calculator is a favorite in our math courses because it is user friendly and easy to use. The interface allows you to input values in a format that is similar to how you would write them on a page. This is a handy feature when you are setting up solutions that involve multiple steps.
Desmos Scientific Calculator is available for use online at Desmos | Scientific Calculator or as a downloadable app for both iPhone and Android devices.
Desmos Graphing Calculator
This free and powerful online calculator is devoted specifically to graphing functions and is very user friendly. You will find this calculator useful for quickly visualizing functions. You can also make quick changes to function parameters and see immediate changes in the graph.
You can download the Desmos Graphing Calculator as an app for both iPhone and Android devices or use it online on Desmos website.
GeoGebra Scientific Calculator
Calculator.net
The following items are free scientific calculators apps specifically for mobile devices
iPhone Scientific Calculator
Did you know that, if you use an iPhone, you already have a scientific calculator? Just open the calculator app and turn your phone sideways to activate scientific calculator mode.
RealCalc (Android)
This Android app is designed to have the appearance and operation of a classic hand-held calculator. As such, it has all the standard features you would expect for a handheld calculator. You can download RealCalc from the Google Play store.
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