Symbols:Division/Historical Note
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Historical Note on Division Sign
The division sign $\div$ first appeared in print in $1659$ in Teutsche Algebra by Johann Heinrich Rahn.
The solidus sign $/$ was recommended by Augustus De Morgan in $1845$ as a way to simplify the printing of fractions.
Sources
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): division sign