Category Archives: Math

Mini Museum: Slide Rule

Posted on 2022-09-06 by M. Eric Carr

Slide rules — analog mechanical calculators — helped build the modern world, three sig figs or so at a time. Continue reading →

Posted in Lore, Math, Mechanical, Mini Museum, Nostalgia, Tools | Tagged , , , , , , | Leave a comment

On Beyond Double

Posted on 2022-01-31 by M. Eric Carr

Long Double is long. 80 bits long. And it’s part of (modern) standard C! Continue reading →

Posted in C, Math | Tagged , , , , | Leave a comment

Computer Speed Comparisons, Part 1: Integer Math

Posted on 2021-10-31 by M. Eric Carr

Summing the first 10^N primes can be the basis for a scalable benchmark for modern and vintage computers… Continue reading →

Posted in BASIC, C, Coding, Math | Tagged , , , , , , | Leave a comment

The Short Way Around

Posted on 2021-09-29 by M. Eric Carr

How can you calculate Great Circle routes? Go straight through the Earth! (…and then normalize.) Continue reading →

Posted in Algorithms, Aviation, Coding, Math | Tagged , , , , , | Leave a comment