晕。你看过帮助没?
log()是以e为底,
log10()是以10为底。
Description: The log function calculates the natural logarithm for the floating-point number val. The natural logarithm uses the base e or 2.718282…[/QUOTE] [QUOTE]Description: The log10 function calculates the common logarithm for the floating-point number val. The common logarithm uses base 10. |