s (short), 140
Scheme standard, ix, 3
scheme-report-environment, 117
scope, 24
segment-length, 111
segment-slope, 111
semicolon ( ; ), 7, 277
sequence, 202
sequencing, 96
set!, 45, 57, 91
set-car!, 133
set-cdr!, 54, 134
set-of, 220
sets, 220
shadowing, 4, 24, 30
shhh, 48
shorter, 39, 45
shorter?, 45
side effects, 8, 96
sin, 152
sort, 218
split, 112
sqrt, 151
square, 14
stack objects, 50
streams, 109
string, 160
string->list, 163
string->number, 152
string->symbol, 167
string-append, 161
string-ci<=?, 160
string-ci<?, 160
string-ci=?, 160
string-ci>=?, 160
string-ci>?, 160
string-copy, 161
string-fill!, 162
string-length, 160
string-ref, 161
string-set!, 161
string<=?, 158
string<?, 158
string=?, 158
string>=?, 158
string>?, 158
string?, 37, 131
strings, 14, 158
structured forms, 6
structures, 207
substring, 162
sum, 62
symbol table, 167
symbol->string, 168
symbol?, 37, 132
symbols, 18, 166
syntactic extensions, 5, 22, 57, 58, 183, 277
syntactic forms, 17, 57, 183, 277
syntax, 192
syntax-case, 183, 191
syntax-object->datum, 197
syntax-rules, 183, 187, 192, 221