November 2003
Beginner to intermediate
480 pages
15h 3m
English
- — subtraction; unary negation
number1 - number2 date - integer date - date-number
A date minus an integer yields
date decreased by
integer seconds. A date minus a date
yields an integer, the number of seconds between them. For two
numbers, see on addition (+).
Unary negation has very high precedence.
-3 ^ 2 -- 9Read now
Unlock full access