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Author: Baker, Humfrey, fl. 1557-1587.
Title: The welspring of sciences, which teacheth the perfecte worke and practise of arithmeticke both in vvhole numbers & fractions, with such easie and compendious instruction into the saide art, as hath not heretofore been by any set out nor laboured, : Beautified vvith most necessary rules and questions, not onely profitable for marchauntes, but also for all artificers, as in the table doth plainely appere..
Publication Info: Ann Arbor, Michigan: University of Michigan Library
2012 November (TCP phase 2)
Availability:

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Print source: The welspring of sciences, which teacheth the perfecte worke and practise of arithmeticke both in vvhole numbers & fractions, with such easie and compendious instruction into the saide art, as hath not heretofore been by any set out nor laboured, : Beautified vvith most necessary rules and questions, not onely profitable for marchauntes, but also for all artificers, as in the table doth plainely appere..
Baker, Humfrey, fl. 1557-1587., Denham, Henry, d. 1589?, Rowbothum, James.

Imprinted at London: By Henry Denham, for Iames Rowbothum., Anno Domini 1564.
Alternate titles: Well spring of sciences
Subject terms:
Arithmetic -- Early works to 1900.
URL: http://name.umdl.umich.edu/B07179.0001.001

Contents
title page
TO THE Right Worshipfull Mai∣ster Iohn Fitzvvilliams Gouernour of the most famous societie of Marchaunts Aduenturers into Flaunders. And to the right worshipfull the Consuls, As∣sistents, and communaltie of the same societie, Humfrey Baker wisheth health with conti∣nuall increase of com∣moditie by their wor∣thy trauell.
text
The diffinition of number.
¶Numeration. The first Chapter.
Addition in whole number. Chap. 2.
Of Substraction in whole number. The. 3. Chapter.
Of Multiplication. Chapter. 4.
Of Diuision the fift Chap.
¶ The practise.
¶ The summe of diuision.
¶Here foloweth the proofes of addicion, substraction, mul∣tiplication, and diui∣sion.
¶The profe of Addition.
¶The profe of substraction.
¶The profe of multiplication.
¶The profe of diuision.
¶Of progression the vi. Chapiter.
¶ The .vii. chapiter treateth of the Rule of .3. called the golden Rule.
¶Example.
¶A Rule.
¶Example.
The seconde part of Arithmetick, which trea∣teth of Fractions or bro∣ken numbers.
¶The first Chapter treateth of Fracti∣ons, or broken numbers, and the dif∣ference thereof.
¶The seconde Chapter treateth of the reducing or bringing to∣gither, of 2. numbers, or many broken dissembling, vnto one broken sembling.
¶Reduction in common de∣nomination.
¶The exaumple.
¶Reduction of broken num∣bers of broken.
¶Another example of the same reduction and of the se∣conde reduction.
¶Reduction of broken numbers, and the partes of bro∣ken togither.
Reduction of whole numbers and broken togither into a Fraction.
¶Example.
¶The thirde Chapter treateth of abbreui∣ation of one great broken number into a lesser broken.
¶Another stile of abbreuiation.
¶The 4. Chapter treateth of the assem∣bling of two or many broken num∣bers togither, as by example.
¶Addition in broken numbers.
¶Addition of broken numbers of broken.
¶Addition of broken number with the partes of broken togither.
¶Addition of whole number and broken togither.
¶The fift Chapter treateth of Substraction in broken numbers.
¶Substraction of broken numbers of broken.
¶The sixt Chapter is of multi∣plication in broken numbers.
¶The 7. Chapter treateth of Diuision in broken numbers.
¶The eyght Chapter treateth of duplation, triplation, and quadruplation of all broken numbers.
Example of Duplation.
Example of Triplation.
Example of quadruplacion.
¶ The 9. Chapter treateth of the prooues of broken numbers. And first of Reductiō.
The proofe of Abbreuiation.
The proofe of Addition.
The proofe of Substraction.
The proofe of Multiplication.
The proofe of Diuision.
¶The tenth Chapter treateth of certaine questions done by broken numbers. And first by Reduction.
¶Here ensueth other necessarie Questions, which are wrought by Multiplicatiō in broken nū∣bers.
¶Questions done by diuision in broken number.
¶Other necessarye questions done by Diuision in broken number.
The thyrde parte treateth of certaine briefe rules, called rules of practise, with di∣uers necessarie questions pro∣fitable for Marchaunts.
The first Chapter.
¶The seconde Chapter treateth of the rule of three compounde, which are foure in number.
The thirde Chapter treateth of questions of the trade of Marchaundise.
¶The 4. Chapter treateth of losses and gaines, in the trade of Marchaundise.
¶The 5. Chap. treateth of leng∣thes & breadthes of tapistry, and other clothes.
¶The sixt Chapter treateth of ye reducing of the paumes of Ge∣nes into english yardes, wher∣of foure Paumes maketh one englishe yarde.
¶The. vij. Chapter treateth of marchaundise solde by waight.
Briefe rules of vvaight.
¶Example.
Briefe Rules for measure.
¶Example.
¶Briefe Rules for our hundreth waight here at London, which is after 112. li. for the C.
¶Example.
¶The. viij. Chapter treateth of tares and allowances of mar∣chaundise solde by waight.
¶The. ix. Chapter treateth of certeine questions, done by the double rule, and also by ye rule of three compounde.
¶The tenth Chapter treateth of the rule of Fellowship, wyth∣out any time limited.
¶Example
Aunswere.
¶The Rule of Felowship with time.
¶Example.
¶ The rule of company, be∣twene Marchaunts and their Factours.
¶The xj. Chapter treateth of the Rules of barter.
Other Rules of Barter, vvherein is giuen some part in ready money.
¶The 12. Chapter treateth of the exchaunging of money from one place to another.
¶The 13. Chapter treateth of the Rule of Alligation.
¶Example.
¶The 14. chapter treateth of the Rule of falsehode, or false po∣sitions.
¶Of the Rule of twoo false po∣sitions.
¶The 15. Chapter treateth of sportes, and pastime, done by number.
Here beginneth the Table of this Booke.
¶The contentes of the Chapters of the first parte.
The Contentes of the seconde part.
The Contentes of the thirde part.