Description: Multiple keystrokes typing on a computer keyboard. Keystrokes, Computer Button, keystrokes.

Description: Keystrokes on a calculator. Keystrokes, Calculator Button, Calculator.

Description: Keystrokes on a calculator. Keystrokes, Calculator Button, Calculator.

Description: Keystrokes on a calculator. Keystrokes, Calculator Button, Calculator.

Description: fast hard typing on a computer keyboard.

Description: fast hard typing on a computer keyboard.

Description: typing quickly, stressed out, trying to make a deadline.