cancel.fraction	cancel.fraction
decimal2fraction	decimal2fraction
gcd	gcd
is.decimal	is.decimal
is.even	is.even
is.negative	is.negative
is.odd	is.odd
is.positive	is.positive
is.prim	is.prim
is.real.positive	is.real.positive
is.whole	is.whole
prime.factor	prime.factor
primes	primes
primlist	primlist
scm	scm
