==Download== Added: Mod Commands: +,,*,/,~,^,!,sin,cos,tan,asin,acos,atan,log,ln,mod Options: ans (Previous Answer) pi e Reasons for no parentheses: I am not adding parentheses until the last version because I will need to duplicate the calculation list and change all the list variables. I would have to re-do the entire new script if I added a new operation or option. Addition 1.6.5: Added factorials (!)