That TI-1200 beats my first calculator, a TI SR-10 that did square roots and scientific notation! Do I get credit for the fact that the SR-10 was actually my second choice, behind the 4-bit mechanical computer kit that you built out of plastic parts and metal rods, and programmed with cardboard cutouts? But my parents felt like they were cheating me since that was so much cheaper than the calculator, so they gave me the calculator.
But before that....
Yep, had an Erector set with motor. Added an electric drill for more power to make a small lathe.
Yep, had a big chemistry set with acids, alcohol burner, and a centrifuge with real glass tubes that occasionally flew out of their holders.
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