What it means
The constant 2.71828…, the base of the natural logarithm. The function eˣ is its own derivative, which is why e appears in growth, decay, probability and waves.
Read aloud in real formulas
d/dx eˣ = eˣ
Aethel says
the derivative with respect to x of e to the power of x, equals e to the power of x
e to the x is its own derivative
A = Pe^(rt)
Aethel says
A equals P e to the power of r t
continuous compounding
Typing it
- LaTeX
- e
- Unicode
- —
Formulas that use it
Questions
How do you say e out loud?
It is usually read “e”.
What does e mean in maths?
The constant 2.71828…, the base of the natural logarithm. The function eˣ is its own derivative, which is why e appears in growth, decay, probability and waves.
How do you type e?
In LaTeX, write e.