Mnemonic/Catalogs/List of mnemonics in English
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Mathematics
- Sin = Obtuse / Hypotenuse; Cosine = Adjacent / Hypotenuse; Tangent = Obtuse / Adjacent
- SOH CAH TOA
Science
- The colors of the rainbow: red, orange, yellow, green, blue, indigo and violet.
- Richard of York gave battle in vain.
- Order of the planets: "Mother very thoughtfully made a jelly sandwich under no protest"
- Mercury, Venus, Terra, Mars, Asteroids, Jupiter, Saturn, Uranus, Neptune, Pluto
Engineering
- The color code on electronic resistors: "Bad boys ravish our young girls but Violet goes willingly:
- Black=0, Brown =1, Red = 2, Orange = 3, Yellow = 4, Green = 5, Blue = 6, Violet = 7, Gray = 8, White = 9