**Floating-point types**

Floating-point types are a little more complicated than whole-number types.

I found the following definition of floating-point in the *
Free On-Line Dictionary of Computing* at this
URL:

"A number representation consisting of a mantissa, M, an exponent, E, and an (assumed) radix (or "base") . Thenumber represented is M*R^E where R is the radix - usually ten but sometimes 2."