A small calculator with buttons and a screen.

Calculator

The number zero in a digital font, such as the ones used on calculators.

Digital Number Zero

A top view of a calculator with a grid of buttons and an empty screen.

A handheld calculator with minimal buttons and a display screen.

A calculator with a small, square, blank speech bubble.

A square calculator with four iconic buttons, a large = key, a shadow, and the number 43 on the calculation screen.

A top view of a calculator with a grid of buttons and an empty screen and a dollar coin on its corner.

A calculating machine with a screen at the top.