These are the various floating point number types available in Pliant:
Float32 32 bits encoded floating point number
Float64 or Float 64 bits encoded floating point number

a + b

sums the two numbers
If the debugging level is equal or greater than 2 and the operation leads to an overflow, a run time error will be reported

a - b

substract

a * b

multiply

a / b

floating point division (the result is a floating point number even if both operands are integers)

a ^ b

exponent