# Function index

Here is a table of symbols we have used and how to type them in TryAPL.

It might be useful to review this page as you are doing the read and write exercises in the next sections.

## New functions

Symbol | Name | Function | Key combination |
---|---|---|---|

## Old functions

Symbol | Name | Function | Key combination |
---|---|---|---|

`+` |
Plus | Addition | + |

`-` |
Minus | Subtraction | - |

`×` |
Times | Multiplication | PREFIX - |

`÷` |
Divide | Division | PREFIX = |

`*` |
Power | Exponentiation | * |

`¯` |
Negative sign | Negation of a number | PREFIX 2 |

`⍝` |
Lamp | Comment | PREFIX , |

`←` |
Assignment operator | Assigning variables | < - Tab |

`⎕` |
Quad | Printing | PREFIX L |