# TODO

## Standard Library

### Math
- [ ] division (float)
- [ ] division (int)
- [ ] mod (int)
- [ ] exponent

### Strings
- [X] concat
- [ ] substring
- [ ] lower/uppercase

### Control
- [X] if
- [ ] if with empty else
- [ ] branch

## Lists
- [ ] lex
- [ ] parse
- [ ] evaluate

## Symbols
- [ ] define
- [ ] access