reckoner, n.
(reckoners)
(reckoners)
a handbook of tables used to facilitate computation
<noun.communication>
ready reckoner reckoner
semantic pointers
hypernym
an expert at calculation (or at operating calculating machines)
<noun.person>
calculator computer estimator figurer reckoner
lexical pointers
derivationally related form
lexical pointers
derivationally related form
lexical pointers
derivationally related form
lexical pointers
derivationally related form
lexical pointers
derivationally related form