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Feet, pius, plusses and augends, we discuss it all in today's lookback at plus plus its predecessors. Complete with printed out memes and stupid jokes, I hope you'll enjoy today's chat on one of math's most ubiquitous symbols. The history of the addition sign is every bit as thrilling as you'd expect. We discuss bitwise xor, mixed numbers, sigma notation, Robert Recorde, the key properties of addition, and vector and matrix addition. #maths #mathematics #math

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0:00 Intro
1:43 Adding with No Plus
4:31 Rhind Papyrus
6:10 p
6:55 +
8:32 + Today
11:07 Key Properties
13:01 Other +s