2013

Table Of Contents
DescriptionOperator
Parenthesis, expression delimiter( )
Decimal separator.
NOTE With imperial units, the a minus or dash (-) symbol is treated as a unit
separator rather than a subtraction operation. To specify subtraction, include at
least one space before or after the minus sign. For example, to subtract 9" from
5', enter 5' -9" rather than 5'-9".
Understand Precedence in Expressions
Expressions are evaluated according to the following standard mathematical
rules of precedence:
1 Expressions in parentheses first, starting with the innermost set
2 Operators in standard order: (1) unary negation, (2) exponents, (3)
multiplication and division, and (4) addition and subtraction
3 Operators of equal precedence from left to right
Functions Supported in Expressions
The following functions are available for use in expressions:
SyntaxFunction
cos(expression)Cosine
sin(expression)Sine
tan(expression)Tangent
acos(expression)Arc cosine
asin(expression)Arc sine
atan(expression)Arc tangent
Add Constraints to Geometry | 303