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### Evaluating expressions

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

### Evaluating expressions

#### Variables

Variable nameVariable value
Items per page:

Digits after the decimal point: 2
• Expressing length through different units

Calculator expresses a given length through the different units.

• Extended Euclidean algorithm

This calculator implements Extended Euclidean algorithm, which computes, besides the greatest common divisor of integers a and b, the coefficients of Bézout's identity

• Factorial

Online calculator computes factorial of given positive integer (up to 170!)

• Factoring calculator

This calculator generates all pairs of factors for given integer.

• 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)

### Fixed-point iteration method

The approximations are stoped when the difference between two successive values of x become less then specified percent

Digits after the decimal point: 5
• Free fall. Distance passed task.

Solution of the falling body and distance passed tasks.

• Function approximation with regression analysis

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

• Function graphs

The calculator plots several function graphs on the single coordinate plane.

• Gamma function

Calculation of the Gamma function using Lanczos approximation

• Gaps and missing numbers finder

This online calculator helps you find gaps and missing numbers in a sequence of numbers.

• Gaussian elimination

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

• Gaussian elimination with fractions

This online calculator solves systems of linear equations using row reduction (Gaussian elimination) while retaining fractions on all calculation stages. At the end, it returns the results in two forms - as a floating point numbers and as a fractions (with numerator and denominator)

## Calculator categories

 Astronomy (7)
 Chemistry (8)
 Math (142)
 Physics (46)