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Who Invented Number Line? [Solved]

The English mathematician, John Wallis (1616 - 1703) is credited with giving some meaning to negative numbers by inventing the number line, and in the early 18th century a controversy ensued between Leibniz, Johan Bernoulli, Euler and d’Alembert about whether \log (-x) was the same as Log(x).

A brief history of numerical systems - Alessandra King

1, 2, 3, 4, 5, 6, 7, 8, 9… and 0. With just these ten symbols, we can write any rational

How Imaginary Numbers Were Invented

Thanks to Dr Amir Alexander, Dr Alexander Kontorovich, Dr Chris Ferrie, and Dr Adam Becker for the helpful advice and feedback …

Negative Numbers: An Overview

… and how they work • Using numbers less than zero • Using