Javascript number placing and how to , 4 = 0.04, 14 = 0.14, 100 = 1.00

Question

I am trying to write a custom calculator but I am having trouble trying to work out a figure, I want to be able to add decimal points before the number which has been in puted.<

Answer 1

How about this?

var num = 4; var fig = num * 0.01;