In floating-point arithmetic, a biased exponent is the result of adding some constant (called the bias) to the exponent chosen to make the range of the exponent nonnegative. Biased exponents are particularly useful when encoding and decoding the floating-point representations of subnormal numbers.

arithmetic | floating-point algebra | floating-point arithmetic | floating-point exponent | floating-point normal number | floating-point number | floating-point preferred exponent | floating-point quantum | floating-point representation | IEEE 754-2008 | interval arithmetic | NaN | quiet NaN | signaling NaN | significand | subnormal number