HP-48SX Hewlett Packard Calculator. Fully working. Excellent Condition. Hewlett Packard 300682-B21 4GB ECC Kit - 2 x 2GB 这个真够大!这些年轻的小家伙说。的确,比起他们在蛋壳里的时候,他们现在的天地真是大不相同了。 你们以为这就是整个!妈妈说。这地方伸展到花园的另一边,一直伸展到牧师的田里去,才...
20 Getting Started Numeric keys Press the Num Lock key to lock and unlock the numeric key functions: When the Num Lock light on the keyboard is on, the numeric keys work in the same way as the number keys and arithmetic functions found on a basic calculator. When the Num Lock light on...
Fifty years ago, Hewlett-Packard introduced the first handheld scientific calculator, the HP-35. It was quite the engineering feat, since equivalent machines of the day were bulky desktop affairs, if not rack-mounted. [Rob Weinstein] has long been a fan of HP calculators, and used an HP-41...
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30 Getting Started (features vary by model) Numeric keys Press the Num Lock key to lock and unlock the numeric key functions: When the Num Lock light on the keyboard is on, the numeric keys work in the same way as the number keys and arithmetic functions found on a basic calculator. ...