You entered Euler's Constant e

This constant is approximated at 2.718281828459

### What is the Answer?

This constant is approximated at 2.718281828459

### How does the Mathematical Constants and Identities Calculator work?

Calculates and explains various mathematical constants such as:

* Gelfonds (Gelfond‘s) Constant

* Eulers Constant

This calculator has 1 input.

### What 3 formulas are used for the Mathematical Constants and Identities Calculator?

- I = √-1
- e = 2.71828183
- π = 3.14159265359

For more math formulas, check out our

Formula Dossier
### What 3 concepts are covered in the Mathematical Constants and Identities Calculator?

- constant
- a value that always assumes the same value independent of how its parameters are varied
- identity
- an equality that holds true regardless of the values chosen for its variables
- imaginary number
- a real number multiplied by the imaginary unit i, which is defined by its property i
^{2} = -1.

### Example calculations for the Mathematical Constants and Identities Calculator

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