IN this school-book of three hundred and twenty-six pages the authors have arranged a course on trigonometry which should be most useful to those studying this subject for the first time. The book may ...

You might have already passed that silly course with a title something like "Introductory Algebra and Trigonometry." It covered a bunch of stuff, but the important part was that the class was a ...

Launch Excel Enter data or use existing data. Enter a formula into the cell. Press Enter. See result. Launch Microsoft Excel. If you type the ratio 0.5 into the cell, then enter the formula in the ...