Calculate stacking and unstacking values.
sh
cargo install stcalc
+
unstack adding-
invert stack top signal*
unstack multiplying/
invert stack top!
discard stack top=
show stack top as a number.
show stack top as a charactersh
echo '33 100 108 3 24 55 32 3 7 29 72 . + . + . . + . ! . + . + . + . ! . ! . ! . .' | stcalc