- calcularius
- calcŭlārĭus, a, um, adj. [calculus], of or pertaining to calculation:
error,
an error in reckoning, Dig. 50, 8, 8.
Lewis & Short Latin Dictionary, 1879. - Revised, Enlarged, and in Great Part Rewritten. Charlton T. Lewis, Ph.D. and Charles Short. 2011.