## 9.3.90 LOG10 (X)

Description: | Returns the common logarithm of the argument.
Class: | Elemental function; Generic
Arguments: | X must be of type real. The value of X must be greater than zero.
Results: | The result type is the same as X. The result has a value equal to log10X.

Specific Name | Argument Type | Result Type
--- | --- | ---
ALOG10 1 | REAL(4) | REAL(4)
DLOG10 | REAL(8) | REAL(8)
QLOG10 | REAL(16) | REAL(16)
1 The setting of compiler options specifying real size can affect ALOG10.

Examples

LOG10 (8.0) has the value 0.9030900.

LOG10 (15.0) has the value 1.176091.

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