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27) RICHARDS’S PRACTICAL ARITHMETIC. © ~ 456. 
aay “Aar. XWIL “Practical Arithmetic ; or the Definitions and Rules in whole Numbers, 
"Fractions Vulgar and Decimal, exemplified by a large Collection of Questions relating to 
Business: incleding Rules and Examples of Mental Calculations and Abbreviations in 
most Parts of Arithmetic. The whole combining Theory with Practice: with Notes. By 
“J. Ricwarps. 8vo. pp. 160. AES OP oot 
Sviemsy Sit ff \ Y r 
THE meltiplication table usedby Mr, 
Richards extends as faras 12x19; by 
s Of wliich:and the common pence 
table; most of the calculations requisite 
‘present by-long and frequent practice, 
but the rules here laid down will consi- 
derably promote this desirable facility. 
The abbreviations of the common rules’ 
in the common routine -of retail: busi- 
ness, and in making out bills; may be 
effected with accuracy and expedition, 
we do not much approve of; they are’ 
thus rendered less intelligible to the 
learner, and no other advantage can 
all cases the habit is acquired even at 
without the use of the pen. In almost counterbalance this defect. 
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