A little more persistence, a little more effort, and what seemed hopeless failure may turn to glorious success.
The desire to economize time and mental effort in arithmetical computations, and to eliminate human liability to error is probably as old as the science of arithmetic itself.
Teenagers especially are very, very conscious about what is hip and what is lame and what is square and what is out and what is in, you know. And, I mean, I grew up right there in the middle of a black culture. And I knew dead-on what it was.
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