Floating-Point Printing and Parsing Can Be Simple And Fast Russ Cox January 19, 2026 research.swtch.com/fp Posted on Monday, January 19, 2026. PDF Introduction A floating point number f has the form f=m·2e where m is called the mantissa and e is a signed integer exponent. We like to read numbers scaled by powers of ten, not two, so computers need algorithms to convert binary floating-point to and from decimal text. My 2011 post “Floating Point to Decimal Conversion is Easy” argued that these co...