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ans | The last calculated result |

PI | pi = 3.14159265... |

E | e = 2.71828182... |

LOG2E | log of e base 2 |

LOG10E | log of e base 10 |

LN2 | log of 2 base e |

LN10 | log of 10 base e |

SQRT2 | square root of 2 |

SQRT1_2 | square root of 1/2 |

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abs(a) | the absolute value of a |

acos(a) | arc cosine of a |

asin(a) | arc sine of a |

atan(a) | arc tangent of a |

atan2(a,b) | arc tangent of a/b |

ceil(a) | integer closest to a and not less than a |

cos(a) | cosine of a |

exp(a) | exponent of a |

floor(a) | integer closest to and not greater than a |

log(a) | log of a base e |

max(a,b) | the maximum of a and b |

min(a,b) | the minimum of a and b |

pow(a,b) | a to the power b |

random() | pseudorandom number in the range 0 to 1 |

round(a) | integer closest to a |

sin(a) | sine of a |

sqrt(a) | square root of a |

tan(a) | tangent of a |

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Copyright Stephen Ostermiller 2007-2014