These pages show the names of the individuals who first used various common mathematical symbols, and the dates the symbols first appeared. The most important written source is the definitive A History of Mathematical Notations by Florian Cajori.

@online{EarliestUsesofVariousMathematicalSymbols,
title = {Earliest Uses of Various Mathematical Symbols},
abstract = {These pages show the names of the individuals who first used various common mathematical symbols, and the dates the symbols first appeared. The most important written source is the definitive A History of Mathematical Notations by Florian Cajori.},
url = {http://jeff560.tripod.com/mathsym.html},
author = {Jeff Miller},
comment = {},
urldate = {2017-09-12},
year = 2008,
collections = {history,notation-and-conventions}
}