Hi, this is a calculator with 24 functions.Here is the functions: abs,floor,ceiling,sqrt,sin,cos,tan,asin,acos,atan,ln,log,e^,10^,+,-,*,/,mod,!,^,pi and round.I think factorial (!) and (^) is hard so I went to other projects to find the code(only ^)Hope this helps with your homework!And do you know 11111111/9 =1234567.888889?
Some credits to @Andrelo for the ^ part. Some credits to @Confidytech for the Other Button part.