#### 93.2.2 Rat: replaced `<x>` by `<y> = <z>`

Floating-point numbers provide a maximum number of digits that is typically high, but still limited. Good examples that this limitation might be too low even for harmless-looking examples include Wilkinson’s Polynomial, The Rump polynomial and the fact that an exact 1/10 cannot be expressed as a binary floating-point number. In places where the floating-point error might add up or hinder terms from cancelling each other out maxima therefore by default replaces them with exact fractions. See also `ratprint`, `ratepsilon`, `bftorat`, `fpprintprec` and `rationalize`.

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