Εικόνες σελίδας
PDF
Ηλεκτρ. έκδοση

Page.

Questions for Exercise

209

Reduction

63

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, 97

Application of the preceding

98

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

45

Table, Numeration and Pence

9

Adition, Subtraction, and Multiplication 10

of Weight and Measure

of Time and Motion

13

showing the number of days from any day

of one month, to the same day in any other

month

172

showing the

amount of U. or 1 dollar, at 5 &

6 per cent. Compound Interest; for 20 years 232

shewing the amount of 1l. annuity, forborne

for 31 years or under, at 5 and 6 per cent.

Compound Interest

233

showing the present worth of il. annuity, for

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

237

Tare and Trett

114

Useful Forms in transacting business

238

Weights of several pieces of English, Portuguse, &

French, gold coins, in dollars, cents, & mills 234

of English & Portuguese gold, do. du. 235

of French and Spanish gold, do. do "ib

DABOIL's

SCHOOLMASTER'S ASSISTANT.

ARITHMETICAL TABLES.

Numeratiune Table.

Pence Table

S. d.

ollundreds of: Millions.

Tens of Millions.
0.00 2illions
oco volundreds of thousands.
ovouTens of Thousands.

op aroui A Thousands.

oo a aer naellundreds.
ons ooer of C Tens.
govor A CSO -Units.

d.
20 is 1 8
SO 26
40 3 4
50 4 2
60 5 0
70 5 10
80 6 81
90

7 61
100 8 4
110 9 ?
120 100

d. 12 is 1 :24 36 3 48 60 5 72 6 84 7 96 8 108 9 120 10 152 11

make 7 4 farthings 1 penny, d 8 112 pence, 1 shilling, s © 20 shillings, 1 pound, ...

ADDITION AND SUBTRACTION TABLE.

1 | 2 | 3 4.51617| 8 | 9 | 10 | 11 | 12 24 5 6.1 7 | 8 | 9 | 10 | 11 | 12 | 13 | 13 3 | 5 | 6 | 7 | 8 9 | 10 | 11 | 12 | 13 | 14 | 15 41 61 7.1 81_9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 51 7 | 8 | 9 | 10 | 11 | 12 | 13 14 | 15 | 16 | 17 6 | 8 9 | 10 | 11 | 12 | 13 14 15 | 16 | 17 | 18 7| 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 1 21

| 22

MULTIPLICATION TABLE.

12

361

19 21 31 41 5 6 7 8 9 10 11 1 21 41 6 8 10 | 12 | 11 16 18 20 221 24 31 6 1 9 | 12 | 15 | 16 | 21 | 24 , 27 30 331 36 | 16 | 20:24 28 32

40 441 48 3.1.10 15 20 25 SO

i

55 40 45 50|55| 601 6 12 18 | 24 | 30 | 33 | 42 | 48 / 34 60, 66172 28 | 35 | 42 | 49 | 56 63 70 77! 84

56 64 72 801 88 96 A540 48 36 45 54 1 63

81 ; 901 9910S 10.30 10 50 60 70 80 90 100!1101190 U23; 3.3 | 44 | 55 | 66 | 77 | 88 99 | 1101121132 112 24 | 36 48 60 72 1.84 | 96 | 108 | 120132144

72

To learn this Table : Find your multiplier in the left hand column, and the multiplicand a-top, and in the coramon angle of meeting, or against your multiplier, along at thie right hand, and under your multiplicand, vau švill find the product, or answer.

2. Troy IF'eight.
2+ grains (gr) make 1 penny-weight, marked
20 penny-weights, 1 ounce,
- 12 ounces,

1 pound,
3. Arpirdupois ! Veight.

[ocr errors]
[ocr errors]

16 drams (dr.) make 1 ounce, 16 ounces,

1 pound,

lb. 28 pounds, 1 quarter of a hundred weight, gr. 4 quarters,

1 hundred

weight, cwt. 20 hundred weight,

1 ton,

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

4. Apothecaries Weight. 20 grains (gr.) make 1 scruple, S scruples,

1 dram, 8 drams,

1 ounce, 12 ounces,

1 pound, Apothecaries use this weight in compounding their medicines.

[ocr errors]

5. Cloth Measure.

4 nails (na.) make 1 quarter of a yard, qr. 1,4 quarters,

1 yard,

yd. 3 quarters,

1 Ell Flemish, E. FI. 5 quarters,

1 Ell English, E. E. 6 quarters,

1 Ell French,

6. Dry Measure. 2 pints (pt.) make

1 quart, 3 quarts,

1 peck,

pak 4 pecks,

i bushel,

bu. This measure is applied to grain, beans, flax-seed, salt, ats, oysters, coại, đc.

gt.

tha Wine Measure.

12 pints,

pt. gt. gal,

4 gills (gi.) make 1 pint,

I quart, 4 quarts,

1 gallon, 315 gallons, i barrel,

bl. 42 gallons, 1 tierce,

tier. 63 gallons, 1 hogshead,

hhd. 2 hogsheads, 1 pipe,

p.
2 pipes,
1 tun,

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

8. Long Measure.

yd.

3 barley corns (b.c.) make 1 inch, marked in. 12 iaches,

1 foot,

ft. S feei,

1 yard, 55 yards,

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

1 furlong, fur: 8 furlongs,

1 mile, S miles,

1 league,

lea. 69. 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 rula long, containing one hundred linka

« ΠροηγούμενηΣυνέχεια »