CONTENTS. 
Гаге 
23. 
To faul in what number of years a principal put out at com 
pound interest will amount to a given sum 
To find at what rate of interest the original principal will amount 
to a given sura in a certain time ..... 
When Interest is convertible more than once a Year 
24. To find the amount 
2D- To find the principal , 
30. To find the number of years 
31. To find the number of intervals 
32. To find the rate of interest . 
Present Value of Sums at Compound Interest 
35. To find the present value , 
36. To find the sum due 
37. To find the number of years 
38. To find the rate of interest . 
13 
14 
Renew 
68. 
When the Interest is convertible more than once a Year 
39. To find the present value .... 
41. To find the sum due ..... 
42. To find the number of years .... 
43. To find the rate of interest .... 
Amount of Annuities at Compound Interest: 
45. To find the amount .... 
46. To find the annuity .... 
47. To find the number of years 
48. To find the rate of interest 
Present Values of Annuities at Compound Interest : 
50. To find the present value 
52. To find the annuity .... 
53. To find the number of years 
54. To find the rate of interest 
55. To find the present value when the interest is convertible more 
than once a year ........ 
Perpetuities 
No. 
30 
I. 
32 
33 
II. 
35 
III. 
38 
IV. 
40 
40 
41 
V. 
VI. 
43 
VII. 
Vili. 
56. 
To find the present value of a perpetuity 
. 
. 
. 
. 44 
57. 
To find the annuity .... 
. 
• 
. 
. 45 
58. 
To find the rate of interest 
. 
. 
. 
. 45