Desmos is a good platform for math teachers and students. Desmos is a graphing calculator that allows you to easily plot functions, create tables, add sliders, animate graphs and many more. Some of the features it provides to users include:
Plot polar, cartesian, or parametric graphs. There’s no limit to how many expressions you can graph at one time – and you don’t even need to enter expressions in y= form!
Adjust values interactively to build intuition, or animate any parameter to visualize its effect on the graph
Input and plot data, or create an input-output table for any function
Find best-fit lines, parabolas, and more.
Scale the axes independently or at the same time with the pinch of two fingers, or edit the window size manually to get the perfect window.
Points of Interest:
Touch a curve to show maximums, minimums, and points of intersection. Tap the gray points of interest to see their coordinates. Hold and drag along a curve to see the coordinates change under your finger.
Just type in any equation you want to solve and Desmos will show you the answer. It can handle square roots, logs, absolute value, and more.
Plot cartesian and polar inequalities”
Watch this video to learn more about Desmos
Desmos is available on Apple Store, Google Play and on the Web.