The HP-41 was the best calculator of all time. Designed in Corvallis, Oregon, it was manufactured by Hewlett-Packard from 1979-1990, and is still highly prized today. With its programmability, infinite battery life, indestructibility, and wide range of accessories, no self-respecting nerd could be without one.
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Basic T-Shirt
The classic heavyweight t-shirt. Tagless design for ultimate comfort. Pre-shrunk, 6.1 ounce 100% cotton. Double-needle stitched bottom and sleeve hems. Loose, classic fit, wears well on anyone. Imported.
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Thirty Years of HP-41: 1979-2009
Celebrating the Best Calculator Ever
The HP-41 was the best calculator of all time. Designed in Corvallis, Oregon, it was manufactured by Hewlett-Packard from 1979-1990, and is still highly prized today. With its programmability, infinite battery life, indestructibility, and wide range of accessories, no self-respecting nerd could be without one.
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Thirty Years of HP-41: 1979-2009 Tee Shirts
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