Dougal Campbell's geek ramblings

WordPress, web development, and world domination.

Bone Up on Your Multiplication Skills | Hackaday

Scottish mathematicians are cool. Also, this led me to look up Lattice Multiplication, which is being taught in Common Core. But I think the Genaille-Lucas rulers were probably the coolest bit. Pre-calculate smaller pieces of a multiplication/division problem, use a little modulus magic, and large problems become a breeze.

Bone Up on Your Multiplication Skills | Hackaday

About Dougal Campbell

Dougal is a web developer, and a “Developer Emeritus” for the WordPress platform. When he’s not coding PHP, Perl, CSS, JavaScript, or whatnot, he spends time with his wife, three children, a dog, and a cat in their Atlanta area home.

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