Valid Expressions for Equations
When creating equations you have access to MicroStation's mathematical capabilities.
White Space and Comments
White space and comments can appear anywhere in an expression and are ignored.
A comment is a sequence of characters enclosed in brackets or braces, as follows:
'[' … ']' | '{' … '}' | '/*' … '*/'
Built-in Functions and Arithmetic Operators
You can include any of the following arithmetic operators in your equations:
| Function/Operator | Operation Performed |
|---|---|
| – | arithmetic negation |
| cos | cosine |
| sin | sine |
| tan | tangent |
| acos | arccosine |
| asin | arcsine |
| atan | arctangent |
| sqrt | square root |
| ceil (x) | returns a double value representing the smallest integer that is greater than or equal to x. There is no error return. |
| floor (x) | returns a floating-point value representing the largest integer that is less than or equal to x. There is no error return. |
| fabs (x) | returns the absolute value of the floating point number (x) |
| + | addition |
| — | subtraction |
| * | multiplication |
| / | division |
| % | modulo |
| ^ | exponent. For example, a^2 squares the value of a. |