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Math & LogicOne small aha

Your new ahaThe Number 42

The Number 42 — value or symbol: 42. Source: 42 (number) ↗

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01This mathematical constant equals a Euclidean circle's circumference divided by its diameter.RECALL
PiOpen this card ↗
02This constant, written e, is the base of the natural logarithm.RECALL
Euler's Number
Euler's number, the base of the natural logarithm, appears throughout calculus and compound growth.
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03This ratio equals (1 + √5) / 2 and divides a line so that whole-to-longer equals longer-to-shorter.RECALL
The Golden Ratio
The golden ratio, prized for its pleasing proportion, appears in certain natural growth patterns.
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