abs            absolute value             abs(-5) = 5
 ceiling        next highest int           ceiling(5.3) = 6
 floor          next lowest int            floor(5.7) = 5
 power          exponential                power(2,8)=256
 rand           random number              rand=0.315378 for example
 round          round to n places          round(5.6,0)=6   round(5.66,1)=5.7
 sign           -1,0,1                     sign(-5)=-1
 
 Trigonometric and Log Functions
 
 If you've advanced to the level where you're using trig operations within
 a database, then you're probably not going to click on a link labeled
 Sybase 101.
 
 acos
 asin
 atan
 atn2
 cqos
 cot
 degrees
 pi
 radians
 sin
 
 exp            exponential e
 log            log function
 log10          log function base 10