How to get the digits 100 in calculator without pressing 0 in just 3 steps?

How to get 100 in calculator without pressing any button twice ?

Conditions -

1) You cannot press 0 twice (00 button to be ignored)

2) You have to get 100 in just 3 steps or by pressing only 3 different buttons, neither less than 3, nor more than 3, exactly 3

Method is as below : -

Press "1"

Press division button "÷"

Press percentage button "%"

Result will be "100" :-)