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单词 addend
释义

addendn.

Brit. /ˈadɛnd/, U.S. /ˈædɛnd/
Origin: A borrowing from Latin. Etymon: Latin addendus.
Etymology: < classical Latin addendus (short for numerus addendus number to be added), gerundive of addere add v.: see -end suffix2. Compare earlier addendum n.
Mathematics and Computing.
A number which is to be added to another. Cf. augend n.
ΘΚΠ
the world > relative properties > number > arithmetic or algebraic operations > [noun] > summing or addition > numerical elements of
sum1579
addend1674
summand1842
augend1894
1674 J. Mayne Socius Mercatoris i. 37 Addition in Decimals..differs not from Addition in whole Numbers, only care must be had to the seperating lines or points, that all places of like denomination stand one under another, both in the Addends and in the Sum.
1684 Philos. Trans. (Royal Soc.) 14 581 They may be reduced to a higher power, with a variable Coefficient, which is the root sought with a common addend or subducend.
1774 Diarian Repository 224 The addends 7, 5, 3, and 1, are the respective differences between the first terms of each set.
1819 Philos. Trans. 109 315 This formula merely instructs us to multiply an addend already determined by r.
1925 D. E. Smith Hist. Math. II. ii. 90 The word ‘addend’ was frequently used to refer only to the lower of two numbers to be added... It was also used by many writers to refer to all the numbers to be added except the top one.
1946 A. W. Burks in Theory & Techniques Design Electronic Digital Computers (Univ. Penn.) (1947) I. viii. 2 If the right hand digits of the addend and augend are either both 1's or both 0's, make the right-hand digit of the sum 0.
2000 J. Van der Spiegel et al. in R. Rojas & U. Hashagen First Computers ii. 140 As its name suggests the Accumulator ‘accumulates’ by keeping its addend in memory..and incrementing by the addend it receives from another transmitting unit.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).
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