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Inventions A-Z
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History
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computer
Internet
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Inventions A-Z
Who Invented the Pen?
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Who Invented the Distance Formula?
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Who Invented School?
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Who Invented the Scientific Method?
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Who Invented the Pythagorean Theorem?
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Who Invented the Piano?
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Who Invented Algebra?
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Who Invented String Art?
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Who Invented Numbers?
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Who Invented the Pencil?
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Who Invented the Pencil Sharpener?
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Who Invented the Spiral Notebook?
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Who Invented Astrology?
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Who Invented the Chalkboard?
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Who Invented the Quadratic Formula?
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Who Invented Pi?
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Who Invented Boolean Logic?
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Who Invented Chalk?
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