conditional processing

(test) ? true-case : false-case

=conditional processing with operator OR/AND

( test1 OR test2 ) ? true-case : false-case
( test1 AND test2 ) ? true-case : false-case

operators

Function	description	Example
max(a,b)	return the maximum between a and b
min(a,b)	return the minimum between a and b
abs(a)	return the absolute value of a
roundCeil(a,b)	return the a value round top to b	roundCeil(106,5) return 110