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HP-35

hp 35 01hp 35 00Model: HP-35
Battery: 
Adapter: 
Year: 1972
Chip:
Info: The HP-35 was Hewlett-Packard's first pocket calculator and the world's first scientific pocket calculator: a calculator with trigonometric and exponential functions. It was introduced in 1972

 

Wikepedia HP-35         HP-35 Simulator

 

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