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

- Fixed-point iteration method
This online calculator computes fixed points of iterated functions using fixed-point iteration method (method of successive approximations)

- Function approximation with regression analysis
This online calculator uses several simple regression models for approximation of unknown function given by set of data points.

- Gamma function
Calculation of the Gamma function using Lanczos approximation

- Gaussian elimination
The calculator solves the systems of linear equations using row reduction (Gaussian elimination) algorithm. The calculator produces step by step solution description.

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

- Golden ratio
This calculator determines proportions according to golden ratio

- Hip roof calculator
This calculator will help you estimate hip roof parameters, including rafters and roof area

- Hyperbolic functions
Calculation of hyperbolic functions

- Incircle of a triangle
This online calculator determines the radius and area of the incircle of a triangle given the three sides

- Integer factorization. Trial division
Integer factorization using trial division algorithm.

- Inverse Hyperbolic Functions
Calculation of inverse hyperbolic functions of given argument

- Inverse of a matrix
Calculating inverse matrices via adjugate matrix

- 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)

- Involute of an angle
Involute of an angle calculator and finding an angle by the given involute.

- Least Common Denominator for several fractions
Least Common Denominator for several fractions

- Lengths of triangle sides given one side and two angles
This online calculator determines lengths of triangle sides given one side and two angles

- Level of liquid in the cylindrical tank, AKA Quarter-Tank Problem
This online calculator finds the height above the bottom of a horizontal cylinder (such as a cylindrical gas tank) to which the it must be filled for it to be full at specified percentage (for example, one quarter full amounts)

- Levenshtein Distance
Online calculator for measuring Levenshtein distance between two words

- Linear Diophantine equations
This calculator solves linear diophantine equations.

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