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The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between early January 1975 and 1978. Wirelessly charged batter
by l2silver 3y ago
The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between early January 1975 and 1978.
Wirelessly charged battery pack. Whhhhhatttttt