# Calculator

*Just type and your answer comes up live.*

Use the buttons, or type formulas like ** 3*sqrt(2)** or

*pi/2*
numbers/images/decimal.js,images/calc.js

Also see Function Grapher, Equation Grapher, and Full Precision Calculator.

## All Functions

### Operators

+ | Addition operator | |
---|---|---|

- | Subtraction operator | |

* | Multiplication operator | |

/ | Division operator | |

^ | Power/Exponent/Index operator | |

() | Parentheses |

### Functions

sqrt |
Square Root of a value or expression. | |
---|---|---|

sin |
sine of a value or expression | |

cos |
cosine of a value or expression | |

tan |
tangent of a value or expression | |

asin |
inverse sine (arcsine) of a value or expression | |

acos |
inverse cosine (arccos) of a value or expression | |

atan |
inverse tangent (arctangent) of a value or expression | |

sinh |
Hyperbolic sine of a value or expression | |

cosh |
Hyperbolic cosine of a value or expression | |

tanh |
Hyperbolic tangent of a value or expression | |

ln |
The natural logarithm of a value or expression | |

log |
The base-10 logarithm of a value or expression | |

abs | Absolute value (distance from zero) of a value or expression | |

deg | convert radians to degrees | |

rad | convert degrees to radians | |

sign | −1 for values less than 0, otherwise 1 | |

round | round to nearest integer | |

floor | Returns the largest (closest to positive infinity) value that is not greater than the argument and is equal to a mathematical integer. | |

ceil | Returns the smallest (closest to negative infinity) value that is not less than the argument and is equal to a mathematical integer. | |

fact | factorial function |

### Constants

pi | The constant π (3.14159265...) | |
---|---|---|

e | Euler's Number (2.71828...), the base for the natural logarithm |