Rechenmeister
From LSJ
οὐκ ἔστιν οὐδείς, οὐδ' ὁ Μυσῶν ἔσχατος → there is nobody, not even the last of the Mysians | there is nobody, not even the meanest of mankind
German > Latin
Rechenmeister, arithmeticus (Inscr.). – ein guter R., bonus ratiocinator; numerorum potens. – ein guter (geübter) R. sein, auch in arithmeticis satis exercitatum esse.