ellipses ( … ), 59, 187
else, 98, 99
empty list, 7, 18
engines, 250
environment, 234
eof object, 171
eof-object?, 171, 174
eq?, 123
equal?, 127
equivalence predicates, 123
eqv?, 36, 125
error, 37, 216
errors, 8
eval, 116
even?, 45, 63, 78, 145
exact->inexact, 148
exact?, 139, 141
exactness, 139, 148
exactness preserving, 139
exclamation point ( ! ), 8
exp, 151
expansion, 57
expire, see engines expressions, 7
expt, 148
extended examples, 213