September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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log10
float log10(float num) Calculates the base 10 logarithm of a number.
Returns:
Base 10 logarithm of a number
Description:
log10() returns the base 10 logarithm of the number given by num .
Version:
PHP 3, PHP 4
See also:
exp() log()
Example:
Calculate the base 10 logarithm
echo "The base 10 logarithm of 10 is ", log10(10); |
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