Page:Sewell Dikshit The Indian Calendar (1896) proc.djvu/234
LUNAR EQUATION.
(Arts. 107, 108).
Argument .
N.B. The equation in col. 2 corresponds to either of the arguments in cols. 1 and 3.
(This is Prof. Jacobi's Ind. Ant., Vol. XVII., Table 9, re-arranged.)
| Argu. | Equ. | Argu. | Argu. | Equ. | Argu. | |
| 1 | 2 | 3 | 1 | 2 | 3 | |
| 0 | 140 | 500 | 500 | 140 | 1000 | |
| 10 | 149 | 490 | 510 | 131 | 990 | |
| 20 | 158 | 480 | 520 | 122 | 980 | |
| 30 | 166 | 470 | 530 | 114 | 970 | |
| 40 | 175 | 460 | 540 | 105 | 960 | |
| 50 | 184 | 450 | 550 | 96 | 950 | |
| 60 | 192 | 440 | 560 | 88 | 940 | |
| 70 | 200 | 430 | 570 | 80 | 930 | |
| 80 | 208 | 420 | 580 | 72 | 920 | |
| 90 | 215 | 410 | 590 | 65 | 910 | |
| 100 | 223 | 400 | 600 | 57 | 900 | |
| 110 | 230 | 390 | 610 | 50 | 890 | |
| 120 | 236 | 380 | 620 | 44 | 880 | |
| 130 | 242 | 370 | 630 | 38 | 870 | |
| 140 | 248 | 360 | 640 | 32 | 860 | |
| 150 | 253 | 350 | 650 | 27 | 850 | |
| 160 | 258 | 340 | 660 | 22 | 840 | |
| 170 | 263 | 330 | 670 | 17 | 830 | |
| 180 | 267 | 320 | 680 | 13 | 820 | |
| 190 | 270 | 310 | 690 | 10 | 810 | |
| 200 | 273 | 300 | 700 | 7 | 800 | |
| 210 | 276 | 290 | 710 | 4 | 790 | |
| 220 | 277 | 280 | 720 | 3 | 780 | |
| 230 | 279 | 270 | 730 | 1 | 770 | |
| 240 | 280 | 260 | 740 | 0 | 760 | |
| 250 | 280 | 250 | 750 | 0 | 750 |
SOLAR EQUATION.
(Arts. 107, 108).
Argument .
N.B. The equation in col. 2 corresponds to either of the arguments in cols. 1 and 3.
(This is Prof. Jacobi's Ind. Ant., Vol. XVII., Table 10, re-arranged.)
| Argu. | Equ. | Argu. | Argu. | Equ. | Argu. | |
| 1 | 2 | 3 | 1 | 2 | 3 | |
| 0 | 60 | 500 | 500 | 60 | 1000 | |
| 10 | 57 | 490 | 510 | 64 | 990 | |
| 20 | 53 | 480 | 520 | 68 | 980 | |
| 30 | 49 | 470 | 530 | 72 | 970 | |
| 40 | 45 | 460 | 540 | 76 | 960 | |
| 50 | 41 | 450 | 550 | 79 | 950 | |
| 60 | 38 | 440 | 560 | 83 | 940 | |
| 70 | 34 | 430 | 570 | 86 | 930 | |
| 80 | 31 | 420 | 580 | 90 | 920 | |
| 90 | 28 | 410 | 590 | 93 | 910 | |
| 100 | 25 | 400 | 600 | 96 | 900 | |
| 110 | 22 | 390 | 610 | 99 | 890 | |
| 120 | 19 | 380 | 620 | 102 | 880 | |
| 130 | 16 | 370 | 630 | 105 | 870 | |
| 140 | 14 | 360 | 640 | 107 | 860 | |
| 150 | 11 | 350 | 650 | 109 | 850 | |
| 160 | 9 | 340 | 660 | 112 | 840 | |
| 170 | 7 | 330 | 670 | 113 | 830 | |
| 180 | 6 | 320 | 680 | 115 | 820 | |
| 190 | 4 | 310 | 690 | 117 | 810 | |
| 200 | 3 | 300 | 700 | 118 | 800 | |
| 210 | 2 | 290 | 710 | 119 | 790 | |
| 220 | 1 | 280 | 720 | 120 | 780 | |
| 230 | 0 | 270 | 730 | 120 | 770 | |
| 240 | 0 | 260 | 740 | 121 | 760 | |
| 250 | 0 | 250 | 750 | 121 | 750 |
AUXILIARY TABLE TO TABLES VI. AND VII.
| Difference in equation. | Last Figure of Argument. | ||||||||
| 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
| Add or Subtract. | |||||||||
| 9 | 8 | 7 | 6 | 5 | 4 or 5 | 4 | 3 | 2 | 1 |
| 8 | 7 | 6 | 6 | 5 | 4 | 3 | 2 | 2 | 1 |
| 7 | 6 | 6 | 5 | 4 | 3 or 4 | 3 | 2 | 1 | 1 |
| 6 | 5 | 5 | 4 | 4 | 3 | 2 | 2 | 1 | 1 |
| 5 | 4 or 5 | 4 | 3 or 4 | 3 | 2 or 3 | 2 | 1 or 2 | 1 | 0 or 1 |
| 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 0 |
| 3 | 3 | 2 | 2 | 2 | 1 or 2 | 1 | 1 | 1 | 0 |
| 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 | 1 | 0 or 1 | 0 | 0 | 0 | 0 |
Note the difference in the (Tables VI., VII.) equation-figures for the nearest figures of the argument. Take this difference in the left-hand column of this Table, and run the eye to the right till it reaches the figure standing under the last figure of the given argument. The result is to be added to or subtracted from the equation-figure for the lower of the two argument figures, according as the scale is increasing or decreasing.
Thus; Table VI., argument 334. Difference between equations for 330 and 340 is (263 − 258) 5, decreasing. The figure in the Auxiliary Table opposite 5 and under 4 is 2. The proper equation therefore is 263 − 2 or 261.
Argument 837. Difference between 830 and 840 is (22 − 17) 5. increasing. The figure opposite 5 and under 7 is 3 or 4. The equation therefore is 17 + 3 = 20, or 17 + 4 = 21.