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Calculate with Euler's number e

Calculate with Euler's number e, the ratio between two steps of a natural logarithmic scale. e is probably the second most important mathematical constant.

e ≈ 2,718281828459045

Ratio e to 1

* e
* 1

Please enter one value, the other will be calculated. For the calculation of logarithm and exponential function, see Calculate Logarithm.

Calculate special ratios - Tool for design and architecture

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German: Goldener Schnitt, Silberner Schnitt, Plastische Zahl, Wurzel aus Zwei, Wurzel aus Drei, Würfelverdoppelung , Pi, e