The Trachtenberg Speed System
Who was Trachtenberg? Professor Jakow Trachtenberg was the founder of the Mathematical Institute in Zurich, Switzerland. He was a Russian, born June 17th, 1888 and studied engineering. While still in...
View ArticleMemorizing Pi – World Records and Techniques
How many digits of pi do you have memorized? But seriously… is it 3? 5? 10? more than 30? If it’s more than 30 pat yourself on the back because that’s a great accomplishment! If it’s only a few, then...
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