Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.90.
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The machine reads it as
- Then mulciply che Mra Rigure inco che le-
- cond, wrtich takten cogerher make a; and write
- S. Square the chird Fipure, and subleribe its
- Square 25 Betore in (Step. 3.) chen ad d all inco one
- in Produet dont rvice as betore (in SceP. 2.)
- The Frample Collonvs.
- 133225 (365
- 133225 == Square OF 365.
- From which Mechod oF compotine a Square
- crill be easie eo understand the way t0 Fxtract
- rhe Square RooroF ans Number siven,
- AS SupPOlC 133225. FOF,
- 2. Beginnine ac Cheriphr Fand, make a Pointover
- che Arst Figure (5); and aster chat over every ocher
- place alternatety. Which Poins me rou che
- Number oF Places in che ROOE.
- 2. Find che nearest. Square ROot to the srst parE
- 13, Wrhich is 3, urite ic in the Ouorient, and
- then place irs Square (9) under, and subtract i
- From 13. Ihis Roor is a, and che Square a a.
- 3. Toche Remainder (4) brine dovon che nexr
- Square 32, wrhich will make 432, and will be c.
- qual eo 2 a b -) = b b, in the last Scep oF all, els
- alvars bisger, and is called che Resolvend. Them
- double che Fisure (2) in che Ouorienc, and make
- it a Dirisor 20 all ihe Resolvend, excepe the last
- Figure rowardsche rishr Lland, enquirins hour of
- ren you can hare 6 in, 42, and place che Antver 6
- (FOr cho you can have ic 7 eimes, yer must noc
- bo caken, because ris 100 large) in che duorient,
- andalso atrer 6 in che Divisor. Phen multiply che
- thus augmented Dirisor by 6, and vrire the PrO-
- duct under, and Subtract ic trom che Resolvend
- Torhe Remainder 36, bring donn che next Square
- 25, and chen rou hare 3625 For a new Relolvend
- Fhen, as betore, double rhe Ouorienc 35, wtich
- akes 72 == 2 a, For a new Dirisor, and enquire
- ho otren rou can have 72 in 362, vrrire che An
- PIVer 5 = a in che Ouorient, and alo afrer the Di
- visor; and mulciplyins che ausmented Dirisor by
- ic, ron will hare a Product 36255 = 2 a b- 1 bb
- wtrich suberacted From che Relolrend, leares no-
- ching and (oche Work is over, and the true ROOt
- tound robe 365. TE chere had been more Points.
- che Work in chis chird Scep must hare been repea
- red ril all ras done.
- 432 = Relolrend.
- 396 = 2 2b -- b
- 3625 = Besolvend.
- 3625 = 24b.- b
- 0000
- Dut when a whole Number hach nor 2 Square
- Roor exactly exprestible by any rational Number,
- chan eo approach intinirels near che exaet ROOI
- Proceed chus.
- Place a5 many pairs oE Cyphers on che riehe
- Fland of che Remainder, as rou vould have Deci
- mal Places in che ROOr, and work as betore, di
- Rinsuishrins ehem trom che Incesers by a Comma,
- thus: IF FhC SguarE ROOEOF r2 be desir d tochree
- places in Decimals; annex 6 Cy phers 10 12, and
- cwvill stand etrus:
- 12, 000000
- Whose Square Roor beine extracted, is sound ie
- be3, 464, OF 3. ∞686 bur because of che Remain-
- der, ic must be chac 3, 464 is sels chan rhe crue
- TOOr, and 3, 465 greater than iE; Vet nOc wanuins
- the 200S OF an Vnit OF rhe true ROOF.
- The SquAsE ROBE OF a Vulgar Fraction, is
- thus found.
- Firs, HE che Praction be nor in ils least Terms;
- ler ic be reduced ro che least Perms; chen exrract
- tHC Square ROOF oF the DonOminaTOF FOF a neW
- Denominator, and of che Numerator for a new
- Numerator; ehis nem Fraction Mall be che Square.
- Root ol the Fraction propoled. Thus the Square
- ROOE OF 2 18 2, OF. = 15 3.
- HFche Vulgar Fraction siven, be incommensura.
- ble FO irS Square ROOL, boch in che siren PerMSs
- and also in any other Terms chac it is reducibleto;
- chen reduce the Paid Vulsar Fraction into Decis
- mals, consictins ot an eren Number ot Places; and
- chen extract che Square ROOr thereoF bY Approxi
- mation, accordins ro the Preceprs already delir
- rered.
- Thus: IFthC Squaro ROOF oF = De required, irs
- equiralent Decimal is 75y Wrhose Square ROOE,
- 86602, 690. Theretore che Square ROOT OF 3 15,
- 86602 ferc.
- HEa Mix d Number wete given For Fvrraction,
- Wohose Fractional Parr is exprest in Terms ot a
- Vulgar Fraction; ReduCCiE IntO an ImPFOPeF Fra-
- ction, and (it commensurable, extract the Square
- RoOE oF the Numerator and Denominator, (25 bC
- fore;) obserrins to reduce the Fractional parE OF
- the Mix d Number, (Or che improper Fraction e
- quivalene eo che Mixd Number) inco ies least
- TerInS.
- ThuS: THC Square ROOF OF 5 = I5 2 2, For etie
- improxer Fraction equiralene 105 3, is 13, and the
- Square ROOF OF 13, 183, Or21.
- 22. b = 66,
- 2 a. F b = 125
- Sum, and repeat ehis Procels as otten as there is
- Equied.
- occation; che last Sunt e au l M tue Square
- Thus.
- 160.
Cite
Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. - . Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/806933011:0776?run=74