PET VIC-20 C64 C16 Plus/4 C128 X16

The LOG() function returns the natural logarithm (log to the base of e) of the argument.

DECLARE FUNCTION LOG AS FLOAT (num AS FLOAT) SHARED STATIC INLINE

PRINT LOG(1.0) : REM outputs a number very close to zero
PRINT LOG(10.0) : REM outputs 2.30259
PRINT LOG(100.0) / LOG(10.0) : REM outputs 2

• EXP
• POW