Earliest Uses of Various Mathematical Symbols

Web page by Jeff Miller

In collections: History, Notation and conventions

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...

URL: http://jeff560.tripod.com/mathsym.html

Entry: http://read.somethingorotherwhatever.com/entry/EarliestUsesofVariousMathematicalSymbols

A big list of unlikely or surprising Turing-complete systems: https://www.gwern.net/Turing-complete, via https://www.metafilter.com/183095/On-having-sufficient-complexity-to-allow-for-arbitrary-computation

My favorite: SVG is Turing-complete because it can be used to (slowly) simulate Rule 110 (and one hopes the weird boundary conditions needed to make Rule 110 Turing complete): https://github.com/tom-p-reichel/svg-is-turing-complete

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A history of mathematical notations

Book by Florian Cajori

In collections: History, Notation and conventions, Lists and catalogues

URL: http://www.maths.ed.ac.uk/~aar/papers/cajorinot.pdf

Entry: http://read.somethingorotherwhatever.com/entry/CajoriNotations

Joined Oct 2018