Magic Square is no longer magic, but the era of magic square puzzle has just begun. This outstanding application at Magic Square will be played by millions throughout the world, I appeal to educators to adopt magic square puzzles to school's curriculum. If you are interested, e-mail me at dwkmei815@gmail.com.
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![Five-place Logarithmic and Trigonometric Tables [microform] Five-place Logarithmic and Trigonometric Tables [microform]](https://bilder.buecher.de/produkte/65/65629/65629040m.jpg)


