Predefined functions

These are functions defined in FlowRun itself. You can use them anywhere.
Here is a little agenda for the syntax:

Syntax Description
abs(n) Absolute value of n
floor(r) Floor value of r
ceil(r) Ceil value of r
randomInt(i) Random integer from 0 to i (inclusive)
sin(n) Sin of n
cos(n) Cos of n
tan(n) Tan of n
ln(n) Ln of n
log(n) Log of n
log2(n) Log2 of n
length(s) Length of s
charAt(s, i) Char of s, at position i
real2int(r) Integer value of r
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