reset_log words mouse_bindings key_bindings Stack Chatter dup dupd dupdd over tuck pop popd popdd popop popopd popopdd swap roll< roll> rolldown rollup unit clear Math add + sub - mul * truediv / mod % div divmod floor pm abs sqr sqrt neg pow max min sum average product pred -- succ ++ lshift << rshift >> Logic ge gt eq le lt ne < <= = >= > != <> and & or not xor ^ bool truthy ? Combinators i x b infra dip dipd dipdd dupdip dupdipd cleave fork app1 app2 app3 map pam nullary unary binary ternary Control Flow branch cond ifte choice loop while genrec primrec make_generator List Manipulation enstacken disenstacken stack unstack first first_two second third fourth rest rrest flatten drop take reverse select zip size sort shunt getitem step step_zero times cons ccons uncons swons unswons concat unique remove at of pick unquoted quoted Misc down_to_zero cmp gcd help id least_fraction parse quoted range range_to_zero reset_log show_log run stuncons stununcons swaack void