We collect and create tools and toys for learning and teaching. Been at it for a long time. Now we're stuffing old stuff and new stuff into Microsoft Word and Portable Document Format (PDF) files such as this one. You may make copies of this file to distribute free of charge. You may print this file and distribute paper copies at no charge. We hope you find this information interesting, useful, helpful, et cetera, et cetera. We’ll appreshiate it grately if you wil infrom us of any mistrakes.

THIS UNIT IS ABOUT: numbers, natural numbers, counting numbers, whole numbers, integers, odd numbers, even numbers, prime numbers, and composite numbers.

And "The First Computer" by The Dragon from People's Computer Company Nov/Dec 1976.

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