maths.abs{a:float, b:float}
A relation generator. The absolute function.
Examples
negative
import("maths")
print(maths.abs(a:=-42.0))
┌───────┐ │ b │ ├───────┤ │ 42.00 │ └───────┘
positive
import("maths")
print(maths.abs(a:=42.0))
┌───────┐ │ b │ ├───────┤ │ 42.00 │ └───────┘