# Scientific Online tools

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## How to use this Online tools ?

sin, cos, tan, asin, acos, atan | Usual trigonomÃ©tric functions. Select angle unit at the top left : Rad (for radian) or Deg (for degree). |

EXP (Exponent) | Allows to enter powers of 10. Example : enter 5 EXP 6, the calculator displays 5E6 = 5 x 10^{6} = 5 000 000. |

mod | Calculates arithmetic operation modulo. Example : enter 41 mod 3, the calculator displays 41 mod 3 = 2 which is the remainder of euclidean division of 41 by 3. |

x^{y} | Calcules a number powers. Example : enter 3 x^{y} 5, the calculator displays 3^5 = 3^{5} = 245 |

ln and log : | Calculates neperian and 10 based logarithms (ln and log). Example log 1000 or ln 56. |

e^{x} | Calculates exponential function. Example enter e^{x} 10 which displays exp(10) = exponential of 10 = 22026.465794806718. |

Rand : | Produces a random number between 0 and 1. To get a random number between 0 and N, multiply the generated number by N. |

10^{x} | Allows to enter powers of 10. Example enter 10^{x} (4-2) which displays 10^(4-2) = 100. |

x^{2} | Calculates a number square. Example, enter 10 x^{2} , the calculator displays 10^2 = 100. |

√ and ^{3}√ | Calculates square and cubic root. Example √(16) = 4. |

n! | Calculates a whole number factorial. Example, enter n! 5 , the calculator displays fact(5) = 120. |

Touches pi and e | To enter constants pi = 3.141592653589793 and e = 2.718281828459045. |

## See also

Mathematics Online toolss

All Online toolss