A mental device used to aid memorization. Common mnemonics for mathematical constants such as e and pi consist of sentences in which the number of letters in each word give successive digits.
Mnemonic
See also
Arithmetic, e, Josephus Problem, Pi Wordplay, Prime Number, SOHCAHTOA, TrigonometryExplore with Wolfram|Alpha
References
Luria, A. R. The Mind of a Mnemonist: A Little Book about a Vast Memory. Cambridge, MA: Harvard University Press, 1987.Weisstein, E. W. "Books about Calculating Prodigies." http://www.ericweisstein.com/encyclopedias/books/CalculatingProdigies.html.Referenced on Wolfram|Alpha
MnemonicCite this as:
Weisstein, Eric W. "Mnemonic." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Mnemonic.html