put 0.23
-- 0.2300

-- activate higher printing precision
the floatPrecision = 8

put -.23
-- -0.23000000

put 9.00719925474099e15
-- 9.00719925474099e15

-- result is NOT a float
put 2/3
-- 0

-- casting integer to float
put float(2)/3
-- 0.66666667

-- casting string to float
put float("0.23")
-- 0.23000000