# exp

## Category
Math

## Arity
**Unary** — `exp <number>`.

```
exp <number>
```

## Description
Returns e (Euler's number, ~2.71828) raised to the given power. This is the **natural exponential function**. `exp x` = e^x. Auto-unwraps `shared` values.

## How It Works
Calls `Math.Exp(double)`. The inverse of [log](log.md).

## Usage

```sqf
exp 0;                         // 1
exp 1;                         // 2.71828...
exp 2;                         // 7.389...

// Compound continuous growth
_growth = _principal * exp (_rate * _time);

// Logistic / sigmoid
_sigmoid = 1 / (1 + exp (-_x));

// Softmax helper
_sumExp = 0;
{ _sumExp = _sumExp + exp _x } forEach _values;
```

## Thread Safety
ReadOnly — pure computation. Safe from any scheduler.

## See Also
- [log](log.md) — natural logarithm (inverse)
- [^](pow-operator.md) — general power
- [pow](pow.md) — power command form