Question

What is this math equation called, and how do you solve it? 100¡

Answer 1

you meant 100!, is a factorial, and yes, your calculator has [ ! ] button for factorials

5! is just 5*4*3*2*1

11! is just 11*10*9*8*7*6*5*4*3*2*1

and so on.

Answer 2

So basically you have to multiply 100 by every single number after it like 100*99*98*97*96......

Hope this helps!