
length - size of an expression

Calling sequence:
length(e)

Parameter:

e  --   expression

Summary:

length(e) returns an integer that is an indication of the size of the object e.
The length of an integer is its number of digits, the length of any variable is
one.

>>  length(435349703);

                              9

>>  length(x^3+sin(y)-1/ln(4-t));

                              16

