a small set of keys with numbers on them used to operate a television, phone, calculator, etc., or the keys with numbers on them usually found on the right side of a computer keyboard
I use the keypad to enter my PIN.
A numeric keypad allows users to input PIN codes for added security.
Modern smartphones feature touch-sensitive keypads for effortless navigation.
The ATM keypad ensures a secure process for withdrawing cash.
Typing messages on a small keypad can be challenging for some users.