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more about sum
## sum |

4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sum \Sum\, n. [OE. summe, somme, OF sume, some F. somme, L. summa, fr summus highest, a superlative from sub under See {Sub-}, and cf {Supreme}.] 1. The aggregate of two or more numbers, magnitudes, quantities, or particulars; the amount or whole of any number of individuals or particulars added together; as the sum of 5 and 7 is 12. Take ye the sum of all the congregation. --Num. i. 2. Note: Sum is now commonly applied to an aggregate of numbers, and number to an aggregate of persons or things 2. A quantity of money or currency; any amount, indefinitely; as a sum of money; a small sum, or a large sum. ``The sum of forty pound.'' --Chaucer. With a great sum obtained I this freedom. --Acts xxii. 28. 3. The principal points or thoughts when viewed together; the amount; the substance; compendium; as this is the sum of all the evidence in the case; this is the sum and substance of his objections. 4. Height; completion; utmost degree. Thus have I told thee all my state, and brought My story to the sum of earthly bliss. --Milton. 5. (Arith.) A problem to be solved, or an example to be wrought out --Macaulay. A sum in arithmetic wherein a flaw discovered at a particular point is ipso facto fatal to the whole. --Gladstone. A large sheet of paper . . . covered with long sums. --Dickens. {Algebraic sum}, as distinguished from arithmetical sum, the aggregate of two or more numbers or quantities taken with regard to their signs, as + or -, according to the rules of addition in algebra; thus the algebraic sum of -2, 8, and -1 is 5. {In sum}, in short; in brief. [Obs.] ``In sum, the gospel . . . prescribes every virtue to our conduct, and forbids every sin.'' --Rogers. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sum \Sum\, v. t. [imp. & p. p. {Summed}; p. pr & vb n. {Summing}.] [Cf. F. sommer, LL summare.] 1. To bring together into one whole; to collect into one amount; to cast up as a column of figures; to ascertain the totality of -- usually with up The mind doth value every moment, and then the hour doth rather sum up the moments, than divide the day --Bacon. 2. To bring or collect into a small compass; to comprise in a few words to condense; -- usually with up ``Go to the ant, thou sluggard,'' in few words sums up the moral of this fable. --L'Estrange. He sums their virtues in himself alone. --Dryden. 3. (Falconry) To have (the feathers) full grown; to furnish with complete, or full-grown, plumage. But feathered soon and fledge They summed their pens [wings]. --Milton. {Summing up}, a compendium or abridgment; a recapitulation; a r['e]sum['e]; a summary. Syn: To cast up collect; comprise; condense; comprehend; compute. From WordNet r 1.6 [wn]: sum n 1: a quantity of money; "he borrowed a large sum"; "the amount he had in cash was insufficient" [syn: {sum of money}, {amount}, {amount of money}] 2: a quantity obtained by addition [syn: {amount}, {total}] 3: the final aggregate; "the sum of all our troubles did not equal the misery they suffered" [syn: {sum total}] 4: the choicest or most essential or most vital part of some idea or experience: "the gist of the prosecutor's argument"; "the nub of the story" [syn: {kernel}, {substance}, {core}, {center}, {essence}, {gist}, {heart}, {inwardness}, {marrow}, {meat}, {nub}, {pith}, {nitty-gritty}] 5: the whole [syn: {total}, {totality}, {aggregate}] 6: a set containing all and only the members of two or more given sets; "let C be the union of the sets A and B" [syn: {union}, {join}] v : determine the sum of "Add all the people in this town to those of the neighboring town" [syn: {total}, {tot}, {tot up}, {sum up}, {summate}, {tote up}, {add}, {add together}, {tally}, {add up}] From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]: sum 1.In {domain theory}, the sum A + B of two {domain}s contains all elements of both domains, modified to indicate which part of the union they come from plus a new {bottom} element. There are two constructor functions associated with the sum: inA : A -> A+B inB : B -> A+B inA(a) = (0,a) inB(b) = (1,b) and a disassembly operation: case d of {isA(x) -> E1; isB(x) -> E2} This can be generalised to arbitrary numbers of domains. See also {smash sum}, {disjoint union}. 2. A {Unix} utility to calculate a 16-bit {checksum} of the data in a file. It also displays the size of the file, either in {kilobyte}s or in 512-byte blocks. The checksum may differ on machines with 16-bit and 32-bit ints. {Unix manual page}: sum(1). (1995-03-16)

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