Attempt to connect the theory you read with events, songs or people. This makes it easier to remember them. I call this “memory links”. If you link new knowledge to something you already know, you will remember it better.

Some like to use associations where they move through a house. For each room in the house, a word you want to remember is linked to an object that starts with the same letter as the word.

One example of this is the decimals of the number π=3.14159265359\pi = 3.14159265359\ldots

The house had 1 hallway with 4 pairs of shoes, 1 hat and 5 jackets. The floor had 92 tiles with 65 dots. I moved towards the office which was behind the 3rd door. Inside hung 5 diplomas and 9 medallions on the wall.

1 hallway with 4 pairs of shoes, 1 hat, 5 jackets, 92 tiles with 65 dots

Others remember things by making them rhyme, make a rule or make a mnemonic. An example of this is how you multiply two parentheses with FOIL: First, Outer, Inner, Last:

(a+b)(c+d)=ac+ad+bc+bd(a+b)(c+d) = ac + ad + bc+bd
  • First:  aa and cc are the first symbol in each parenthesis.
  • Outer: aa and dd are the outer symbols because they are at the very beginning and the very end of the expression.
  • Inner:  bb and cc are the inner symbols because they are in the middle of the expression.
  • Last: bb and dd are the last symbol in each parenthesis.
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