ClassCalc – web-based graphics calculator

ClassCalc is a free online graphing, statistics and scientific calculator with full support for all STEM & Stats subjects. Online tutorials are available, such as this video explaining some of the distribution features, ClassCalc also produces box plot, histograms, regressions and statistical tests.

ClassCalc has a built-in lockdown browser (US$12/student/year) that lets teachers lock student phones onto ClassCalc during class & tests minimising cheating/distractions (even remotely!).