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

---
sidebar_position: 5
title: Math
---

### E

Euler's number; ≈ 2.718281828459045

```javascript
number;
```

### LN2

Natural logarithm of 2; ≈ 0.6931471805599453

```javascript
number;
```

### LN10

Natural logarithm of 10; ≈ 2.302585092994046

```javascript
number;
```

### LOG2E

Base 2 logarithm of E; ≈ 1.4426950408889634

```javascript
number;
```

### LOG10E

Base 10 logarithm of E; ≈ 0.4342944819032518

```javascript
number;
```

### PI

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

```javascript
number;
```

### SQRT1_2

Square root of 1/2; ≈ 0.7071067811865476

```javascript
number;
```

### SQRT2

Square root of 2; ≈ 1.4142135623730951

```javascript
number;
```

### PHI

Phi is the golden ratio. 1.618033988749895

```javascript
number;
```

### TAU

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

```javascript
number;
```

### Infinity

```javascript
number;
```