# Math Calculators

**Calculators**

When you take the mathematics COMPASS exam at the college, you are allowed to use the **TI-83 or TI-84 calculator**.

It is a good idea to practice with the calculator before the COMPASS test.

**Compass Calculator Skills PowerPoint**

### Things that you should be able to do with a calculator:

+ | Add signed numbers |

– | Subtract signed numbers |

x | Multiply signed numbers |

÷ | Divide signed numbers |

√ | Find the square root of a number |

^ | Find the value of a number raised to a rational exponent. (i.e. 9 ^{3/2} = 27) |