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This is an archived version of the documentation downloaded from LogScale Documentation Archives. Up to date documentation, and documentation for later versions, is available on LogScale Documentation

## Math Query Functions

LogScale's math query functions provide a range of arithmetical and numerical functions.

### Note

Math functions on ARM architecture may return different results in very high-precision calculationsc compared to Intel/AMD architectures.

Table: Math Query Functions

Function | Default Argument | Availability | Description
--- | --- | --- | ---
`math:abs([as], field)` | `field` |  | Calculates the absolute value of a field; the result is always a positive number or 0.
`math:arccos([as], field)` | `field` |  | Calculates the arc cosine of a field.
`math:arcsin([as], field)` | `field` |  | Calculates the arc sine of a field.
`math:arctan([as], field)` | `field` |  | Calculates the arc tangent of a value.
`math:arctan2([as], x, y)` |  |  | Calculates the arc tangent of a value.
`math:ceil([as], field)` | `field` |  | Rounds field value to smallest integer that's larger than or equal to it.
`math:cos([as], field)` | `field` |  | Calculates the cosine of a field.
`math:cosh([as], field)` |  |  | Computes the hyperbolic cosine of a double field.
`math:deg2rad([as], field)` | `field` |  | Converts angles from degrees to radians.
`math:exp([as], field)` | `field` |  | Calculates Euler's number e raised to the power of a double value in a field.
`math:expm1([as], field)` | `field` |  | Calculates the exponential value of a number minus 1.
`math:floor([as], field)` | `field` |  | Computes the largest integer value not greater than the field value given.
`math:log([as], field)` | `field` |  | Calculates the natural logarithm (base e) of the value in a double field.
`math:log10([as], field)` | `field` |  | Calculates the base 10 logarithm of a double field.
`math:log1p([as], field)` | `field` |  | Calculates the natural logarithm of the sum of field's value and 1.
`math:log2([as], field)` | `field` |  | Calculates the base 2 logarithm of a double field.
`math:mod([as], divisor, field)` | `field` |  | Calculates the floor modulus of field value and the divisor.
`math:pow([as], exponent, field)` | `field` |  | Calculates the field value to the exponent power.
`math:rad2deg([as], field)` | `field` |  | Converts angles from radians to degrees.
`math:sin([as], field)` | `field` |  | Calculates the sine of a field.
`math:sinh([as], field)` | `field` |  | Calculates the hyperbolic sine of a double field.
`math:spherical2cartesian([as], azimuth, polar, radius)` |  |  | Calculates the average for a field of a set of events.
`math:sqrt([as], field)` | `field` |  | Calculates the rounded positive square root of a double field.
`math:tan([as], field)` | `field` |  | Calculates the trigonometric tangent of an angle in a field.
`math:tanh([as], field)` | `field` |  | Calculates the hyperbolic tangent of a field.
`parseHexString([as], [charset], field)` | `field` |  | Parses input from hex encoded bytes, decoding resulting bytes as a string.
`parseInt([as], [endian], field, [radix])` | `field` |  | Converts an integer from any radix or base to base-ten, decimal radix.
`round([as], field, [how])` | `field` |  | Rounds an input field up or down, depending on which is nearest.
`unit:convert([as], [binary], field, [from], [keepUnit], [to], [unit])` | `field` |  | Converts values between different units.

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