 | George Albert Wentworth - Trigonometry - 1882 - 234 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denote any number, then colog A — log— = log 1 — log A (§ 3) = — log .4. «a Hence, the... | |
 | George Albert Wentworth, George Anthony Hill - Logarithms - 1883 - 186 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is "called the Cologarithm of the number. If A denote any number, then colog A = log— = log 1 - log A (§ 3) = - log^L. ¿L Hence, the cologarithm... | |
 | George Albert Wentworth - Trigonometry - 1884 - 330 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denote any number, then colog^ = log— = log 1 — log A (§ 3) = — log .4. A % Hence, the... | |
 | George Albert Wentworth - Plane trigonometry - 1885 - 96 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denote any number, then colog A = log— = log 1 — log A (§ 3) = —log .a. jai Hence, the... | |
 | George Albert Wentworth - Algebra - 1891 - 544 pages
...26. 3". 29. 54. 18. 39. 21. 3^. 24. 5*. 27. 7'. 30. 7"". 19. 73. 22. 7^. 25. 3Í 28. 34. 31. 21^ 358. The logarithm of the reciprocal of a number is called the cologarithm of the number. If A denote any number, then colog A = log i- = log 1 - log A (§ 348) = - log A (§ 351). A. Hence,... | |
 | George Albert Wentworth - Surveying - 1895 - 422 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denotes any number, then colog A = log 2 = log 1— logЛ(§ 3)= — log A Hence, the cologarithm... | |
 | George Albert Wentworth, George Anthony Hill - Logarithms - 1895 - 104 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denotes any number, then colog A = log -j = log 1 — log A (§ 3) = — log A. A Hence, the cologarithm... | |
 | George Albert Wentworth - Trigonometry - 1896 - 344 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denotes any number, then colog A —log . =log 1 —log A (§ 3) = — log A. A Hence, the cologarithm... | |
 | George Albert Wentworth - Logarithms - 1897 - 384 pages
...may be carried to five significant figures, and in the first part of the table to six figures.* 20. The logarithm of the reciprocal of a number is called the Cologarithm of the number. If A denotes any number, then colog A = log — = log 1 — log A (§ 3) = — log A. A. Hence, the... | |
 | Henry Sinclair Hall, Samuel Ratcliffe Knight - Algebra - 1897 - 548 pages
...logarithms : 10. 1.8156. 12. 4.0022. 14. 3.8441. 11. 2.1439. 13. 1.9131. 16. 7.4879-10. 447. Cologarithms. The logarithm of the reciprocal of a number is called the cologarithm of that number. Thus colog 210 = log^fj = log 1 — log 210. Since log 1 = 0, we write it in the form... | |
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The logarithm of the reciprocal of a number is called the Cologarithm of the number. 
