Choose a mode, and then calculate pi! Change the settings for the calculation, (or press the first letter of any variable to type in its value) and click, or press the spacebar to calculate pi! (Sometimes, it may take a while.) This calculates pi to a certain degree of accuracy, but due to scratch maths limitations, it will not be completely accurate.
Many thanks to https://www.wikihow.com/Calculate-Pi, for their different methods of calculating pi.
