LED VFD and LCD pocket calculators

Hewlett Packard 21 

For sale is a boxed Hewlett Packard scientific calculator model HP21 with a red LED display. Fully working. Serial number 1703S12422. Made in 1977 in Singapore. Comes with a box , a charger, cover, manual in dutch in a very good condition, and a used battery cover with non-working batteries.

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