You have that slide rule in the back of the closet. Maybe it was from your college days. Maybe it was your Dad’s. Honestly. Do you know how to use it? Really? All the scales? That’s what we thought.

A third edition, soft cover textbook titled, Slide Rule: How to Use It (Barnes & Noble Everyday Handbooks Series #254), by Calvin C. Bishop. The soft cover book has glossy front and back paper covers.

I still use a slide rule. I find it very efficient, much more so than using a computer often times. But I find people at work constantly asking what that "funny looking ruler" is. <BR>A quick google ...