APPENDIX. 205 
In Table 73 the fractions are given in twelfths (small figures), 
making adding easier. Thus the following l-inch lumber would 
be added: 
Size. Contents. 
Pe TE pe 
127 x 107—10 
12’ x 1616 
14? x 13"= 152 
16’ x 20'’= 268 
Total= 7223 or 732 board feet. 
If it were 3-inch lumber the total would be multiplied by 3, ora 
total of 221 board feet. 
TABLE 74.—Compound Interest, or the Amount of 1 Dollar for 
Different Periods at Different Rates. 
Period. | 2 percent. | 3 percent. | 4percent. | 5percent. | 6 percent. 
Years. 
1 1.0200 1. 0300 1.0400 1.0500 1. 0600 
2 1.0404 1. 0609 1.0816 1.1025 1.1236 
3 1.0612 | 1.0927 1.1249 1.1576 1.1910 
4 1. 0824 1.1255 1. 1699 1.2155 1. 2625 
5 1.1041 1. 1593 1.2167 1.2763 1. 3382 
6 1.1262 1.1941 1. 6253 1.3401 1.4185 
L 1. 1487 1.2299 1.3159 1.4071 1. 5036 
8 1a 07 Nga 1. 2668 1. 3686 1.4775 1. 5938 
9 1.1951 1.3048 1. 4233 1. 5513 1. 6895 
10 1. 2190 1. 3439 1. 4802 1. 6289 1.7908 
it 1. 2434 1.3842 1. 5395 1.7103 1. 8983 
12 1.2682 1.4258 1. 6010 1.7959 2. 0122 
13 1. 2936 1.4685 1. 6651 1. 8856 2. 1329 
14 1.3195 1.5126 1.7315 1.9799 2. 2609 
15 1. 3459 1. 5580 1. 8009 2. 0789 2.3966 
16 1.3728 1. 6047 1. 8730 2.1829 2. 5404 
17 1.4002 | 1. 6528 1.9479 2. 2920 2. 6928 
18 1.4282 | 1.7024 2. 0258 2. 4066 2. 8543 
19 1. 4568 1.7535 2. 1068 2. 5270 3. 0256 
20 1. 4859 1. 8061 2.1911 2. 6533 3.2071 
21 1o515T 1.8603 | 2. 2788 2.7860 3. 3996 
22 1. 5460 1.9161 2. 3699 2. 9253 3. 6035 
23 1. 5769 1. 9736 2. 4647 3.0715 3. 8197 
24 1. 6084 2. 0328 2. 5633 3.2251 4. 0489 
2D 1. 6406 2. 0938 2. 6658 3. 3864 4.2919 
26 1. 6734 2. 1566 2.7725 3. 5557 4, 5494 
27 1.7069 2.2213 2. 8834 3. 7335 4. 8223 
28 1.7410 2. 2879 2. 9987 3. 9201 Ls by 
29 1.7758 2. 3566 3. 1187 4.1161 5. 4184 
30 1.8114 2.4273 3. 2434 4,3219 5. 7435 
