NOTATION. IJ 



To lurite NUMBERS, 



RULE. 



Write down the figures in the same order their vakies 

 jire expressed in, beginning at the left hand, and writing 

 toward the right ; remembering to supply those places of 

 the natural order with cyphers, which are omitted in the 

 question., 



EXAMPLES* 



5. For the more easily reading of large numbers, they are di- 

 vided into periods, and half periods, each half period consisting 

 of three figures; the name oftlie first period being units ; of 

 the second, millions ; of the third, billions ; of the fourth, trillions, 

 &c. Also the first part of any period is so many units of it, and 

 the latter part, so many thousands. 



7he following Table contains a summary of the tvhole do8rme. 



A Synopsis of the Roman NoT.irIo^\ 



1=1 



2=11 As often as any character is repeated, so many 



3=111 times is its value repeated. 



4= nil or IV A less character before a greater dimin- 



5=V ishes its value. 



6= VI A less character after a greater inc|:eases its 



7=VII value. 



8=VIII 



9=IX 

 io=X 

 5o=L 

 ioo=C 



5oo=:D or ID For cveiy D affixed, tUa becomes 10 



times as many. 



1000 



