First edition of Ada Lovelace’s pioneering algorithm sold for £95,000

Rare book by ‘world’s first computer programmer’ contains a groundbreaking method for calculating Bernouilli numbers

An “extremely rare” leather-bound copy of Ada Lovelace’s pioneering computer program has been sold at auction for nearly £100,000.

First published in 1843, the book contains Lovelace’s translation of paper from the Italian mathematician LF Menabrea discussing Charles Babbage’s plans for a computing machine. It also includes her reflections as well as explanatory notes featuring a groundbreaking algorithm, considered by some experts to be the first computer program.

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