1. NUMBER, IN THE ABSTRACT [Nouns] numeration; numbering;
pagination; tale, recension, enumeration, summation, reckoning,
computation, supputation; calculation, calculus; algorithm,
algorism, rhabdology, dactylonomy; measurement [more];
statistics. arithmetic, analysis, algebra, geometry, analytical
geometry, fluxions; differential calculus, integral calculus,
infinitesimal calculus; calculus of differences. [Statistics]
dead reckoning, muster, poll, census, capitation, roll call,
recapitulation; account (list) [more]. [Operations] notation,
addition, subtraction, multiplication, division, rule of three,
practice, equations, extraction of roots, reduction, involution,
evolution, estimation, approximation, interpolation,
differentiation, integration. [Instruments] abacus, logometer,
slide rule, slipstick [coll.], tallies, Napier's bones,
calculating machine, difference engine, suan-pan; adding
machine; cash register; electronic calculator, calculator,
computer. [people who calculate] arithmetician, calculator,