ClassCalc – web-based graphics calculator
ClassCalc is a with full support for all STEM & Stats subjects. Online tutorials are available, such as this video explaining some of the , 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!).