squiggle/packages/website/docs/Api/Math.md

---
sidebar_position: 8
title: Math
---

### E

```
Math.e:
```

Euler's number; ≈ 2.718281828459045

### LN2

```
Math.ln2:
```

Natural logarithm of 2; ≈ 0.6931471805599453

### LN10

```
Math.ln10:
```

Natural logarithm of 10; ≈ 2.302585092994046

### LOG2E

```
Math.log2e:
```

Base 2 logarithm of E; ≈ 1.4426950408889634Base 2 logarithm of E; ≈ 1.4426950408889634

### LOG10E

```
Math.log10e:
```

Base 10 logarithm of E; ≈ 0.4342944819032518

### PI

```
Math.pi:
```

Pi - ratio of the circumference to the diameter of a circle; ≈ 3.141592653589793

### SQRT1_2

```
Math.sqrt1_2:
```

Square root of 1/2; ≈ 0.7071067811865476

### SQRT2

```
Math.sqrt2:
```

Square root of 2; ≈ 1.4142135623730951

### PHI

```
Math.phi:
```

Phi is the golden ratio. 1.618033988749895

### TAU

```
Math.tau:
```

Tau is the ratio constant of a circle's circumference to radius, equal to 2 \* pi. 6.283185307179586