Complex sentence: This 80-bit format was standardized by the IEEE floating-point standard and uses 64 bits for the significand, 15 bits for the exponent field and one bit for the sign of the significand.
Split into simpler sentences: This 80-bit format was standardized by the IEEE floating-point standard. The IEEE 80-bit floating-point format uses 64 bits for the significand, 15 bits for the exponent field and one bit for the sign of the significand.