08 JUN 2012 by ideonexus

 The Marvelous Invention of Indian Arithematic

It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value; a profound and important idea which appears so simple to us now that we ignore its true merit. But its very simplicity and the great ease which it has lent to computations put our arithmetic in the first rank of useful inventions; and we shall appreciate the grandeur of the achievement the more when we remember that it escaped...
Folksonomies: mathematics base-10
Folksonomies: mathematics base-10
   notes

Quoting Pierre-Simon Laplace.

30 NOV -0001 by ideonexus

 Spelling is the Problem

Now let me get to a lower level still in this question. And that is, all the time you hear the question, "why can't Johnny read?" And the answer is, because of the spelling. The Phoenicians, 2000, more, 3000, 4000 years ago, somewhere around there, were able to figure out from their language a scheme of describing the sounds with symbols. It was very simple. Each sound had a corresponding symbol, and each symbol, a corresponding sound. So that when you could see what the symbols' sounds w...
Folksonomies: phoenetics
Folksonomies: phoenetics
  1  notes

Putting letters together into words is one of the most basic skills required for literacy. If this basic skill is so hard for so many people to grasp, then, Feynman argues, there is a problem with the way words are spelled.