LEARNING TRIGOnometry usually means dogging through incomprehensible textbooks to understand all those sine and cosine rarios. Boxer Math's Trigonometry CD-ROM ($50, 800-736-2824) changes all that. It ...
Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...