Calculates the base-10 logarithm.
Log10(x)
(f) x floating point number.
(f) the logarithm of the argument .
The Log10 function calculates the base-10 logarithm of the argument. If the argument is negative or zero, an error will occur.
a = Log10(123.45) Message("Base-10 log of 123.45 is", a)