A numeric expression is a combination of numeric elements (such as numbers, variables, and functions) and operators that evaluates to a numeric value.
An expression can contain any of the following in any combination:
The following mathematical operators are available:
Operator 
Meaning 
Example 
+ 
A=B+C 

 
A=BC 

* 
A=B*C 

/ 
A=B/C 

Mod or @ 
A=B Mod C (assigns the remainder of B divided by C to A) 

** 
A=B**C (assigns the value of B raised to the C power) 
You can perform additional mathematical operations using math functions. For more information on operator precedence rules and expression nesting, see Operator Precedence.
Please Note: In each of the examples above, if A is an integer number and B and C are both real numbers, the result will be truncated unless ROUND() is used (e.g., A = ROUND(B+C)).
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