Days Postings
Blog Series
Copyright Notice
© Mark Biegert and Math Encounters, 2024. Publication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Mark Biegert and Math Encounters with appropriate and specific direction to the original content.
Disclaimer
All content provided on the mathscinotes.com blog is for informational purposes only. The owner of this blog makes no representations as to the accuracy or completeness of any information on this site or found by following any link on this site. The owner of mathscinotes.com will not be liable for any errors or omissions in this information nor for the availability of this information. The owner will not be liable for any losses, injuries, or damages from the display or use of this information.
Monthly Archives: May 2015
Pejsa's Projectile Drop Versus Distance Formula (Part 1 of 3)
I recently have had a number of readers ask me to continue my review of Pejsa's "Modern Practical Ballistics". The last major topic I have left to cover is his formula for the drop of a horizontally‑fired projectile as a function of distance. My plan is to derive the formula and present an example of its use. The derivation is not difficult, but it is a bit long and I will divide my presentation into a couple of posts. Continue reading
Posted in Ballistics
13 Comments
I Must Be Old, All the Bugs Sound Familiar ...
I was reading an article this morning about a bug discovered in Boeing's 787 software that will occur after 248 days of continuous operation. The moment I read "248 days", I let out a sigh – I have seen that number before. Continue reading
Posted in software
2 Comments