**Calculator name** | **Summary** |

Golden ratio |
Calculates the shorter and longer segments of the golden ratio from one segment. |

Square triangular number |
Calculates a table of the square triangular numbers. |

Tetrahedral number |
Calculates the number of balls and the height in a regular tetrahedron. |

Square pyramidal number |
Calculates the number of balls and the height in a square pyramid. |

Catenary |
Calculates a table of the catenary functions given both fulcrum points or the lowest point. |

Validation of preposition |
Validates the proposition for all positive integer n≧4 which is inspired by Fermat Last Theorem. |

AGM |
Calculates the arithmetic-geometric mean (AGM). |

Remainder |
Calculates the quotient and the remainder. |

Modular Multiplicative Inverse |
Calculates a modular multiplicative inverse of an integer a, which is an integer x such that the product ax is congruent to 1 with respect to the modulus m. ax = 1 (mod m) |