# 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.

Symbol | Name | Function | Key combination (Prefix) | Key combination (Tab) |
---|---|---|---|---|

`+` |
Plus | Addition | + |
+ |

`-` |
Minus | Subtraction | - |
- |

`×` |
Times | Multiplication | PREFIX - |
x x Tab |

`÷` |
Divide | Division | PREFIX = |
: - Tab |

`*` |
Power | Exponentiation | * |
* |

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

`⍝` |
Lamp | Comment | PREFIX , |
o n Tab |