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Two-Variable Linear Equation Solver This calculator solves a system of equations of first degree with two unknowns. You enters six coefficients, it finds the values of the unknowns and detects cases of no solution or infinite solutions. |

3x3 Equation Solver This calculator is designed to solve systems of three linear equations. |

Determinant of 3x3 matrices This calculator calculates the determinant of 3x3 matrices |

Quadratic Equation Solver The quadratic equation calculator accepts the coefficients a, b, and c of a quadratic equation in the standard form, and then calculates the roots of the equation, including complex roots. The formulas can be found below the calculator. |

Stirling's approximation of factorial Online calculator computes Stirling's approximation of factorial of given positive integer (up to 170!) |

Geometric progression This calculator computes n-th term and sum of geometric progression |

Two Buckets Puzzle Calculator This online calculator finds a solution for a variation of two buckets puzzle where you need to fill a tank with certain volume. |

Modular Multiplicative Inverse Calculator This inverse modulo calculator calculates the modular multiplicative inverse of a given integer a modulo m. |

Hill cipher This calculator uses Hill cipher to encrypt/decrypt a block of text. |

Secant method The secant method is a root-finding algorithm that uses a succession of roots of secant lines to better approximate a root of a function f. A brief secant method description can be found below the calculator |

False position method The false position method is a root-finding algorithm that uses a succession of roots of secant lines combined with the bisection method to approximate a root of a function f. |

Bisection method The bisection method in mathematics is a root-finding method that repeatedly bisects an interval and then selects a subinterval in which a root must lie for further processing. The method is also called the interval halving method. |

Trial Division Integer Factorization Calculator This online calculator performs integer factorization using the trial division method to determine the prime factors of a given number |

Factor Pairs Generator This calculator generates all pairs of factors for given integer. |

Geometric progression. The common ratio and the first term Finding the common ratio and the first term the geometric progression for two adjacent terms. |

Evaluating expressions This online calculator substitutes a specific value for each variable, and performs the operations, evaluating the given expression. |

Area de la Sombra de un Objeto El área de la sombra se refiere a la de un objeto cuadrado o rectangular. |

Quartic equation solution This calculator produces quartic equation solution using resolvent cubic. |

Complex polynomial value calculation The calculator evaluates polynomial value. The polynomial coefficients can be either real or complex. |

Polynomial division This calculator divides one polynomial by another polynomial. |