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l'age.

Quesť } is for exercise

209

Keduction

65

of Currencies, do. of Coin

89, 93
Rule of Three Direct, do. Inverse

100, 108

Double

148

Rules, for reducing the different currencies of the

several United States, also Canada and No.

va-Scotia, each to the par of all others ** 96, 9.

Application of the preceding

GE

Short Practical, for calculating Interest 126

for casting Interest at 6 per cent.

215

for finding the contents of Superfices & Solids 220

to reduce the currencies of the different

States, to Federal Money

218

Rebate, A short method of finding the, of any giv-
en sum for months and days

217

Subtraction, Simple

25

Compound

Table, Numeration and Pence

9

Addition, Subtraction, and Multiplication

,

10

of Weight and Measure

11

of Time and Motion 6

13

showing the number of days from any day

of one month, to the same day in any other

month

showing the amount of 1l. or 1 dollar, at 5 &

6 per cent. Compound Interest, for 20 years 232

showing dic amount of 1l. annuity, forborne

for 51 years or under, at 5 and ő

per

ceni.

Compound Interest

250

showing the present worth of 11. annuity, før

31 yrs. at 5 & 6 per c. Compound Interest ib.

of cents, answering to the currencies of the

United States, with Sterling, &c.

236

showing the value of Federal Money in

other currencies

Tare and Trett

114

Useful forms in transacting business

258

Weights of several pieces of English, Portuguese,

& French, gold coins, in dollars, cts. & mills 254
of English & Portuguese gold, do. do. 255
of French an! Spanish gold, do. do. ih

ة ، 1

237
DABOLL'S

SCHOOLMASTER'S ASSISTANT.

ARITHMETICAL TABLES.

NUNcration Tabla

Pence Table.

oHundreds of Millions.!
Coco Tens of Millions.

Hundreds of Thousands

O Millions.
oooo yoor Tens of Thousands.
OYOTA Thousands.
ooo Voor A WHundred:

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d. s. d. d.

&. 20 is 1 8 12 is 1 30 2 6 24 2 40 3 4, 36 3 50

4 2 48 4 60 5 0 60 5 70 5 10

72 6 80 6 8 84 90 6

96

8 100 8 4 108 9 110 9 2 120 10

120 100 132 11 8 6.5

2 9 8 7 6 5 4 3 9 8 7 6 5 4 9 8 7 6 5 9 8 7 6

marce 9 8 7 4 farthings 1 penny,

d 9 8 12 pence, 1 shilling, s.

9 20 shillings, 1 pound,l 1.

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ADDITION AND SUBTRACTION TABLE.

1 | 2 | 3 | 4 | 5 | 6 | 7| 8 | 9 10 | 11 | 12 2 | 4| 5| 6 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 31 5 1 6 | 7 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 4] 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 5 | 7 | 8 9 | 10 | 11 12 13 | 14 | 15 | 16 | 17 6 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18

| 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 19 8 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 9 | 11 | 12 | 13 | 14 15 | 16 | 17 | 18 | 19 | 20 | 21 10 | 12 | 13 | 14 | 15 | 16 | 17 18 19 | 20 | 21

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1 | 219 4: 5 6 7 8 9 10 11 12 2 | A; 6; 8; 10; 19:14 | 16 18 ; 20 22 24 So69

12 15 | 18 21 | 24 S0 391 36 41 812

16 ; 2024 28 32 36 40.1181 5 L 15 | 20 | 25 | 30 | 55 10 | 50, 55) 60 6 ; 12; 18 | 24 | 30 | 56 42

CO 6072 7 14 21 28 35 49; 191 56 8.; 1624 32 : 40 | 48 | 56 | LA T* 804 88 96

9 18 36 45 ; 5:1; 63 2 81 ; 901 09:10S 10 | 20 | 30 | 10 | 50 ; 607930 30 ; 160111011201 11 | 12 | 33 | 44 | 55 | 66 | 77 | 88 99 | 11011211132 12 | 24 | 30 | 48 ; 60; 72; 84 ; 90

108

To learn this Table : Find your multiplier in the left handi coluinn, and the multiplicand 2-top, and in the common angle of meeting, or against your multiplier, along at the right hand; and under your multiplicand, you will find the product. or answer.

ARITHMETICAL TABLES.

11

9. Troy Weight.
21 grains (gr.) make 1 penny-weight, marked
20 penny-weights, 1 ounce,
12 ounces,

1 pound,
3. Avoirdupois TVeight.

put oz. lb

OX.

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16 drams (dr.) make

1 ounce, 16 ounces,

1 pound,

lb. 28 pounds, 1 quarter of a hundred weight,

qr. 4 quarters,

1 hundred weight, crot. 20 hundred weight,

1 ton,

T. By this weight are weighed all coarse and drossy goods, grocery wares, and all metals except gold and silver.

4. Apothecariés Weight. 20 grains (gr.) make 1 scruple, 3 scruples,

1 dram, 8 drams,

1 ounce, 12 ounces,

1 pound,

tit Apothecaries use this weight in compounding their medicincs.

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5. Gloth Measure.

4 nails (na.) make
4 quarters,
3 quarters,
5 quarters,
6 quarters,

1 quarter of a yar',
1 yard,
1 Ell Flemis!
1 Ell English,
1 Ell French,

E.fl. E. E. E.FT.

6. Dry Measure.

pk.

2 pints (pt.) make 1 quart, 8 quarts,

1 peck, 4 pecka,

1 bushel,

bu. This measure is applied to grain, berns, flax-seed, salt, outs, oysters, coal, &c

7. Wine Measure.

pt.

4 gills (gi.) make

1 pint,
2 pints,
1.quart,

qt.
4 quarts,
1 gallon,

gal.
31} gallons,
1 barrel,

tl. 42 gallons, i tieice,

tier. 63 gallons, 1 hogshead,

hhd. 2 hogsheads,

p. 2 pipes,

T. All brandies, spirits, mead, vinegar, oil, &c. are measured by wine measure. Note.--231 solid inches, make a gallon.

1 pipe, 1 tun,

8. Long Measure.

S barley corns (b. e.) make 1 inch, marked in. 12 inches,

1 foot, 3 feet,

1 yard,

yd. 5 yards,

i rod, pole, or perch, rd. 40 rods,

1 furlong, fur. 8 furlongs,

1 mile, S miles,

1 league,

lea, 694 statute miles,

1 degree, on the earth. 360 degrees, the circumference of the earth.

m.

The use of long measure is to measure the distance of places, or any other thing, where length is considered, without regard to breadth.

N. B. In measuring the height of horses, 4 inches make 1 hand. In measuring depths, six feet make 1 fathom, or French toise. Distances are measured by a chain, four rods long, containing one hundred links.

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