[经] 政治经济学

Arithmetic \A*rith"me*tic\, n. [OE. arsmetike, OF. arismetique,
L. arithmetica, fr. Gr. ? (sc. ?), fr. ? arithmetical, fr. ?
to number, fr. ? number, prob. fr. same root as E. arm, the
idea of counting coming from that of fitting, attaching. See
{Arm}. The modern Eng. and French forms are accommodated to
the Greek.]
1. The science of numbers; the art of computation by figures.

2. A book containing the principles of this science.

{Arithmetic of sines}, trigonometry.

{Political arithmetic}, the application of the science of
numbers to problems in civil government, political
economy, and social science.

{Universal arithmetic}, the name given by Sir Isaac Newton to
algebra.