Try it yourself:
| @1 |
e
|
|
| @2 |
e ^ 2
|
|
| @3 |
exp(2)
|
|
| @4 |
log(e)
|
e is the base of natural logarithms, approximately 2.71828. It describes continuous growth and exponential decay.
Use exp() for e raised to a value and log() for its inverse. Exponential arguments should be dimensionless; scale physical values before use.