Tag Archives: math

A smart guy did the math

Weeks after I asked the ballistic math questions, I got this email: Was intrigued by your trig problem. Herewith my answers: 1) take distance and bearings at regular intervals, say 20 seconds apart.  (take bearing and ten seconds later take … Continue reading

Posted in advice requested, weapon | Tagged , , | 3 Comments

National defense and 6th grade math

(Image from http://www.festungguernsey.supanet.com/about_us.htm) Imagine an observer with a stereoscopic rangefinder and a telephone, camouflaged on a seashore. The observer is 3km ahead of a cannon located further inland for concealment. The bearing is between the cannon and the observer is, for … Continue reading

Posted in Uncategorized | Tagged , , , | 13 Comments

Understanding statistics

I need a recommendation on a good introduction to the math side of statistical analysis. I got as far as pre-calculus in math and only remember some of it for daily use…yet would like to get at least a general … Continue reading

Posted in advice requested | Tagged | 6 Comments