Electronic calculator

device · 1961 · Digital age

A calculator built on electronics (ANITA; pocket ones in the 1970s).

What it is made of

Integrated circuit — has part. A chip.
Liquid-crystal display — has part. An LCD display.
Solar panel — has part. Many run on a solar cell.
Alkaline battery — has part. A calculator runs on a battery, sometimes on a tiny solar panel.

Principles and materials it uses

Plastic — is made of. The case is plastic.
Silicon — is made of. The chip is silicon.

History: what it evolved from and what it influenced

Arithmometer — evolved from. Electronics replaced mechanics.
Microprocessor — evolved into. The Intel 4004 was designed for a Busicom calculator.

Take Electronic calculator apart