Cocker's Arithmetick: being a plain and familiar method suitable to the meanest capacity, for the full understanding of that incomparable art, as it is now taught by the ablest school-masters in city and country ... / By Edward Cocker, late practicioner [!] in the arts of writing, artihmetick, and engraving. Being that so long since promised to the world. Perused and published by John Hawkins, writing-master near St. George's church in Southwark, by the author's correct copy, and recommended to the world by many eminent mathematicians and writing-masters in and near London.

Edward Cocker

Date:: 1697

Credit: Cocker's Arithmetick: being a plain and familiar method suitable to the meanest capacity, for the full understanding of that incomparable art, as it is now taught by the ablest school-masters in city and country ... / By Edward Cocker, late practicioner [!] in the arts of writing, artihmetick, and engraving. Being that so long since promised to the world. Perused and published by John Hawkins, writing-master near St. George's church in Southwark, by the author's correct copy, and recommended to the world by many eminent mathematicians and writing-masters in and near London. Source: Wellcome Collection.

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$ley annexed, then it will be (09) fix hundred, and if you cig? dO annex to it a(4) four, then it will be (64) fixty ui) four ; and if you annex (78) feventy eight, it will be then (678) fix hundred feventy eight, and fo on: By \j annexing more Figures or Cyphers, it will encreafein a ecinple proportion ad Infinitum. : 4 13. A Negative, of Broken;-Prattional, Decreafing wi) Number, is that which by _prefixing a Point or Prick |) towards the left hand its value is decreafed from fo many Units, tofo many tenth parts of any thifg, and ifa point and (0) cypher, ora digit be prefixed, it Hwill be then fo many hundred parts; andifa Point and two Cyphers or digits be prefixed ;-ité Value is decrea - 9 fed to be fo. many-thoufand par ts ;.as #f you would pre- {ro f1x before the Figure 3-4 point (.) “or prick thus (.3) » it is then decreafed from 3: Unitsor Integers, to (3) three tenth parts-of an~ Uhit or Titteger 5 and if you prefix a point and Cypher thus: (-03) itis decreafed from 2 Integers to: ‘hundred parts of an Integer, } and by tiis'means § /. Abfolute by prefixing of a paing will be-déerezfed to 57. Negative which is five tenth parts of a Pound, equal'in value to ten fhillings, and fo by prefixing of more Cyphers or Digits, its valuc is } decrzafed ina decuple proportion ad infinituin. As itt } the following Scheie, or rather order of numbers, i | Aube: ’ we have placed (o) Cypher in its due place and’order , as: it is both the beginuing and medium of number ; fof } going from (o.) towards the left-hand you deal -with fatire, Abfolute, Whole increafiig numbers, * > a ; i ¥ . t ' Increafing Numbers. Decreafing Numbers. ; \ [29 1875 $543 1256 121.91 2/345, |678 | -976 li majmmm)mmmimmmiCxK UXC]| mmm) mmm) mmm)m 4 Yaumimmmimmm| CX XC sai iamny fm mm }mom | CX’ | xe {mmo | f imm; CX } Xe! af ad om | a} | But going from (0) the place of Units towards the »| right hand, youcmeet witli broken Negative, Fractional | and decreafing Numbers. -And hence it follows'that i B 3 Mul-$

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