A real is constructed directly from a corresponding numeric token; see Figure 2-9.
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.