IEEE 754 計算器

value = sign*exponent*fraction

16  32  64  128

		正負			尾數				指數
						.
			+		0.0				0
			0b0000000000000000000000000000000000000000000000000000000000000000
						.
			+		0.0				0
			0b0000000000000000000000000000000000000000000000000000000000000000
+ - × /
						.
			+		0.0				0
			0b0000000000000000000000000000000000000000000000000000000000000000