The best graphing calculator around is free and available on Android, get it on Google play here and is also available for Apple devices – iOS apps.
Desmos on Android has had a major upgrade and you can now access your account with all your saved graphs and also create new graphs. Press the three lines in the top left corner to sign in, sync up, and take all of your graphs on the go.
Tons of examples
Also included in this update:
* implicit inequalities
* draggable table columns
* a ton of new example graphs
* bugfixes and performance improvements
Maths students everywhere get this app! It’s great for younger students as it is easy to use for learning about graphs but has the sophisticated features that older students need.
From simple linear graphs to polar or parametric curves – Desmos does it all!
There are several examples in the slideshows here to show you the syntax you need on Desmos if you are unfamiliar with it and a series of pages giving you more information.