Floating point IEEE 754

0.1Not exact in binary 1One -0Negative zero 3.141592653589793π 0.33333333333333331/3 167772172²⁴ + 1: first integer float32 can’t hold 90071992547409932⁵³ + 1: first integer double can’t hold 65504Largest float16 3.4028234663852886e38Largest float32 1.401298464324817e-45Smallest float32 (subnormal) 5e-324Smallest double (subnormal) InfinityInfinity NaNNot a number 0x7FC00000float32 quiet NaN bits