cyphers
cy-phers
noun
Secret codes or systems of writing; also, people or things of no importance.
"The ancient texts contained many cyphers."
verb
Writes in code or performs arithmetic calculations.
"He cyphers the sums quickly."
Thesaurus
Synonyms: calculate, compute, work out, cipher, figure, reckon, null, zippo, naught, nothing, nil, nada