2012

C Commands
CAL
Evaluates mathematical and geometric expressions.
Access Methods
Command entry: 'cal for transparent use
Summary
CAL is an online geometry calculator that evaluates point (vector), real, or
integer expressions. The expressions can access existing geometry using the
object snap functions such as CEN, END, and INS.
You can insert AutoLISP
®
variables into the arithmetic expression and assign
the value of the expression back to an AutoLISP variable.
You can use these arithmetic and vector expressions in any command that
expects points, vectors, or numbers.
See also:
Use the Command Line Calculator
Understand Syntax of Expressions
CAL evaluates expressions according to standard mathematical rules of
precedence:
 Expressions in parentheses first, starting with the innermost set
 Operators in standard order: exponents first, multiplication and division
second, and addition and subtraction last
 Operators of equal precedence from left to right
Commands | 161