The FriCAS Interactive Language has the following features documented here.
More information is available by typing
)help feature
where feature is one of:
assignment -- Immediate and delayed assignments
blocks -- Blocks of expressions
collection -- creating lists with iterators
for -- for loops
if -- If-then-else statements
iterate -- using iterate in loops
leave -- using leave in loops
parallel -- parallel iterations
repeat -- repeat loops
suchthat -- suchthat predicates
while -- while loops