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• 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.

• 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 ckecksum equal to zero).

• Math equation simplification

Simplifies math equation with single variable (x). In eqation you may also use integer and fractional numerical constants arithmetic operations, trigonometric and hyperbolic functions.

### Matrix Multiplication

Matrix Multiplication

### Matrix Multiplication

Digits after the decimal point: 2
• Math equation syntax

Math equation samples.

• Math operations on degrees

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

• Math worksheets generator for elementary school

Random worksheets, which are generated automatically from user parameters.

• 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

Calculator solving some mathematical competition task

### Molar mass of the substance

Calculates the molar mass of the substance using atomic mass units from the periodic table

## Calculator categories

 Astronomy (7)
 Chemistry (8)
 Math (133)
 Physics (46)