Mechanical calculator
device · 1642 · Early modern era
The Pascaline — a machine for adding and subtracting.
What it is made of
- Gear — has part. Numbers are positions of gear wheels.
Principles and materials it uses
- Brass — is made of. The Pascaline has brass wheels.
History: what it evolved from and what it influenced
- Leibniz’s stepped reckoner — evolved into. Leibniz developed Pascal’s idea by adding multiplication.
- Babbage’s Difference Engine — evolved into. Babbage automated the computing of tables using the mechanics of calculators.
What it is a kind of
- Computing device — is a kind of. A calculating machine.