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4
Notation.
Book I.

and according to the aforeſaid rules to pronounce it thus, four hundred ſixty five; likewiſe this number 315 is to be pronounced thus, three hundred and fifteen: and this number 205, two hundred and five; alſo this number 500, five hundred. Whence it is manifeſt, that although a Cypher of it ſelf ſignifies nothing; yet being placed on the right hand of a figure it increaſeth the value thereof, by advancing ſuch figure to a higher place than that wherein it would be ſeated, if the Cypher were abſent.

The true reading or pronouncing the value of any number written, as alſo the writing down any number propounded, depends principally upon a right underſtanding of the three firſt places before mentioned, and therefore I ſhall adviſe the Learner to be well exercis'd therein, before he proceeds to the following Rules.

XV. The fourth place of a number is called the place of Thouſands (that is, any number of Thouſands under ten thouſand,) the fifth place tens of thouſands, the ſixth place Hundreds of thouſands; the ſeventh place Millions (a Million being ten hundred thouſand;) the eight place tens of Millions; the ninth place hundreds of Millions; the tenth place thouſands of Millions; the eleventh place tens of thouſands of Millions; the twelth place hundreds of thouſands of Millions: and in that order you may conceive places to be continued infinitely from the right hand towards the left, each following place being ten times the value of the next preceding place, but to give names to them would be both a troubleſom and an unneceſſary task.

XVI.