Example
mult(123456, 234567)  = 123456 × 234567
nthroot(1234567890,9) = 9√̅1̅2̅3̅4̅5̅6̅7̅8̅9̅0
nthroot(1728,3) = 3√̅1̅7̅2̅8
square(26) = 262
div(12345,5) = 12345 ÷ 5
sumlist(1,2,3,4,5) = 1 + 2 + 3 + 4 + 5