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| ANSI Common Lisp 2 Syntax 2.3 Interpretation of Tokens ### 2.3.2 Constructing Numbers from Tokens A real is constructed directly from a corresponding numeric token; see Figure 2.3.1 Numbers as Tokens. A complex is notated as a `#C` (or `#c`) followed by a list of two reals; see Section 2.4.8.11 Sharpsign C. The reader macros `#B`, `#O`, `#X`, and `#R` may also be useful in controlling the input radix in which rationals are parsed; see Section 2.4.8.7 Sharpsign B, Section 2.4.8.8 Sharpsign O, Section 2.4.8.9 Sharpsign X, and Section 2.4.8.10 Sharpsign R. This section summarizes the full syntax for numbers. 2.3.2.1 Syntax of a Rational 2.3.2.2 Syntax of a Float 2.3.2.3 Syntax of a Complex

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