## 4.3 Arithmetic
TBoS p. 50, SD SD
+, *, - and / are the basic arithmetic operations. + and * are polyadic. / produces a float if the
divisor is not a factor; thus (/ 5 6) produces a float. =, >, < >= and <= are the usual relations. Notice
= is polymorphically typed. In the absence of type checking, = will compare any two objects |