# Functions of simple types

- [int](/doc/language-spec/functions-of-simple-types/int.md)
- [string](/doc/language-spec/functions-of-simple-types/string.md)
- [float](/doc/language-spec/functions-of-simple-types/dec.md)
- [bool](/doc/language-spec/functions-of-simple-types/bool.md)
- [atom](/doc/language-spec/functions-of-simple-types/atom.md)
- [pid](/doc/language-spec/functions-of-simple-types/pid.md)
