HP-35

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

2

In collections

Nobody has pulled it yet.

What Wikipedia says

The HP-35 was Hewlett-Packard's first pocket calculator and the world's first scientific pocket calculator: a calculator with trigonometric and exponential functions. It was introduced in 1972.

Excerpt from the Wikipedia article “HP-35”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Holger Weihe, CC BY-SA 3.0, via Wikimedia Commons.