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In computing, minifloats are floating-point values represented with very few bits. Predictably, they are not well suited for general-purpose numerical calculations. They are used for special purposes, most often in computer graphics, where iterations are small and precision has aesthetic effects. There are also minifloats with 8 bits or even fewer. Minifloats can be designed following the principles of the IEEE 754 standard. 0 is a proprietary 24-bit floating-point format.
In computer graphics minifloats are sometimes used to represent only integral values. If at the same time subnormal values should exist, the least subnormal number has to be 1. This statement can be used to calculate the bias value. The following example demonstrates the calculation, as well as the underlying principles. All IEEE 754 principles should be valid. The unknown exponent is called for the moment x. The bit patterns have spaces to visualize their parts.