Investment Studio > Expressions > Functions > Math & Trig > LOG10

float log10(float argument)

Returns the base 10 logarithm of the argument. The argument must be positive.

log10(argument) is the inverse of power(10, exponent) = 10^exponent.

Examples

=log10(10)

equals 1

=log10(10^7)

equals 7

=10^log10(7)

equals 7.

See also exp, ln, log, power.