Starting with known special cases, the calculation of logarithms and trigonometric functions can be performed by looking up numbers in a mathematical table, and interpolating between known cases.
32.
Donn mentions in his " Mathematical Tables ", 1789, that he has added a final e to his name; but on the title-page the name is spelt Donn.
33.
She held numerous positions involving mathematical computations before she joined the Mathematical Tables Project in 1940, where she worked under Gertrude Blanch, whom she would later credit as her mentor.
34.
Apart from mathematical tables, the inconsistencies in how numbers were represented within most texts extended all the way down to the most basic Cuneiform symbols used to represent numeric quantities.
35.
In 1599, Edward Wright published " Certaine Errors in Navigation ", which for the first time explained the mathematical basis of the Mercator projection, with calculated mathematical tables which made it possible to use in practice.
36.
Many of these computers possessed only rudimentary mathematical skills, but the algorithms and error checking in the Mathematical Tables Project were sufficiently well designed that their output defined the standard for transcendental function solution for decades.
37.
After teaching mathematics at a Catholic school in New York, she joined the Planning Committee of the Mathematical Tables Project of the WPA . In that role, she learned the basics of numerical analysis from the committee's chair, Gertrude Blanch.
38.
In his final book, " Saturn Rukh " ( Tor / Tom Doherty, 1997 ), his attention to accuracy led him to include an appendix of mathematical tables and astronomical diagrams for readers interested in verifying the maneuvers of the book's spacecraft.
39.
Lightfoot has memorized all the mathematical tables that he found in military manuals for explosives, for calculating amounts of explosives needed, safe firing distances, power requirements for firing circuits, and formulas for cutting structural steel, timber and breaching various forms of bunker material.
40.
Traditionally, steel detailing was accomplished via manual drafting methods, using pencils, paper, and drafting tools such as a parallel bar or drafting machine, triangles, templates of circles and other useful shapes, and mathematical tables, such as tables of logarithms and other useful calculational aids.