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Mathematics

Visual explanations of the constants you can memorise with PlayMemorize.

π
Pi
The circle constant. Always 3.14159...
e
Euler's Number e
The base of natural logarithms. 2.71828...
φ
Golden Ratio
Nature's proportion. 1.61803...
τ
Tau
Two times pi. The full-turn constant. 6.28318...

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