SongsThe alphabet song published as sheet music in 1835 by Charles Bradlee has become a popular mnemonic for children to remember the order of the alphabet. Several variations of the song exist.
AcronymsAcronyms such as HOMES for the great lakes Huron, Ontario, Michigan, Erie and Superior.
PhrasesMemorable phrases such as "My Very Educated Mother Just Served Us Nachos" to remember the order of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Price ListThe following price list, first published in the book Have Space Suit—Will Travel by Robert A. Heinlein, represents the distance from the planets from the Sun in astronomical units:Mercury $0.39Venus $0.72Earth $1.00Mars $1.50Jupiter $5.20Saturn $9.50Uranus $19.00Neptune $30.00
EncodingsThe first 15 letters of the mathematical constant pi 3.14159265358979 can be remembered with the encoding "now I need a juice, pineapple of course, after the heavy lectures involving quantum mechanics." This is a simple encoding of numbers by length-of-word such as "now" for 3.
ReductionsReducing rules and principles down to a simple and memorable representation such as "i before e except after c" that is used as a rule of thumb for spelling English words that contain "ie" or "ei."
OthersMnemonics can include word associations, images and complex models. Anything that helps you remember a fact, concept or rule can be considered a mnemonic.
A device that is used as a memory aid.