Math practice tool prototype

Press enter to check if the answer is correct and press space to generate new numbers.

Probably doesn't work on mobile devices.

The slider on the top controls the type of calculation and the two sliders on the bottom control the maximum sizes of the numbers.

(I made this originally for myself but decided to upload it here so that i could use this on other devices. I guess that this might also be useful for others. Nowadays it's more important in math to know all kinds of equations but being better at basic arithmetic makes you faster and better at spotting the mistakes that you make.)