===== Common Logarithm ====== ==== log( a ) ==== Returns the common logarithm (base-10 logarithm) of a. === Description === log( a ) Returns the common logarithm (base-10 logarithm) of a. === Parameters === | ''a'' | Value | === Return value === This function returns the common logarithm of a, for values of a greater than zero. === Example usage === log( 100 ) Returns 2.