List of mnemonics

Since the IAU change the definition of a planet and relegated Pluto to the status of minor planet, the following has gained popularity An Ox (Oxidation at Anode) Red Cat (Reduction at Cathode) In most words like friend, field, piece, pierce, mischief, thief, tier, it is "i" which comes before "e".

This can be remembered by the following mnemonic, But this is not always obeyed as in case of weird and weigh, weight, height, neighbor etc.

and can be remembered by extending that mnemonic as given below Another variant, which avoids confusion when the two letters represent different sounds instead of a single sound, as in atheist or being, runs Most frequently u follows q. e.g.: Que, queen, question, quack, quark, quartz, quarry, quit, Pique, torque, macaque, exchequer.

The first 15 numbers of Pi can be remembered by counting the letters in the phrase, "How I want a drink, alcoholic of course, after the heavy lectures involving quantum mechanics."

[38] The mnemonic "LIATE" is commonly used to determine which functions are to be chosen as u and DV in integration by parts.