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  • Golden ratio

    This calculator determines proportions according to golden ratio

  • Inverse trigonometric functions

    This calculator determines values of inverse trigonometric functions (arcsine, arccosine, arctangent, arccotangent, arcsecant, arccosecant) and outputs it with different measurement units (degrees, radians, minutes, etc)

  • Levenshtein Distance

    Online calculator for measuring Levenshtein distance between two words

  • Logarithm

    This online calculator produces the logarithm of a given number with a given base. It computes also the natural logarithm and the common logarithm (decimal logarithm).

  • Luhn algorithm

    Calculates digit sequence checksum using Luhn algorithm (mod 10), calculates validation digit (the digit to be appended to the digit sequence to make whole sequence checksum equal to zero).

  • Math operations on degrees

    This online calculator supports simple mathematical operations, addition/subtraction/multiplication/division, on degrees

  • Mathematical calculator

    Mathematical calculator is used for evaluation math expressions with arithmetic operations (+-/*^) and functions: sqrt - square root, exp - exponential function, lb - binary logarithm, lg - decimal logarithm, ln - natural logarithm, sin - sine, cos - cosine, tan - tangent, cot - cotangent, sec - secant, csc - cosecant, arcsin - arcsine, arccos - arccosine, arctan - arctangent, arccot - arccotangent, arcsec - arcsecant, arccosec - arccosecant and others

  • Polygon area

    Online calculator which calculates area of a polygon given lengths of polygon sides and diagonals which split polygon to nonoverlapping triangles

  • Proportion

    This online calculator finds unknown member of proportion. Created by user's request

  • Pythagorean theorem calculator

    Calculates the side length of a right triangle from two other sides using Pythagorean theorem. Created by user's request

  • Root and power

    This calculator outputs desired root and power of entered number

  • Second, third and other derivatives

    Evaluates first, second third and other derivatives of a single argument function

  • Side length of a triangle

    This calculator computes side length of a triangle given two sides and angle between them (law of cosines)

  • Simple math in any numeral system

    This online calculator supports simple math (addition, subtraction, division, multiplication and power) for numbers expressed in any numeral system - binary, octal, hexadecimal, from the base 2 to base 36

  • Solving limit problems using L'Hospital's Rule

    Solving 0/0 and ∞/∞ limit problems using L'Hospital's Rule.

  • The greatest common divisor and the least common multiple of two integers

    This calculator finds the greatest common divisor (GCD) and the least common multiple (LCM) of two integers

  • The greatest common divisor of two integers

    This calculator determines the greatest common divisor of two integers using Euclidean algorithm

  • Triangle angles for given triangle sides

    This calculator computes triangle angles for given triangle sides using cosine law

  • Values of one-variable function

    This online calculator calculates values of one-variable function given function formula and set of variable values

  • Volume of geometric shapes

    Calculates volume of geometric shapes: cube, prism, pyramid, frustum, cone, cylinder, sphere, ellipsoid.