Terminated: unknown
The CITIZEN 800D was donated by the son of Jan Vlaming, who was a math teacher on Texel. Texel is one of The Netherland's Wadden Islands.
| Brand: | CITIZEN |
| Model: | 800D |
| Type: | Calculator |
| Picture: |
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| Batteries: | AA x 4 |
| Lifetime: |
Introduced: 1975 Terminated: unknown |
| Notes: |
Plain, but nice looking calculator with memory and square roots.
Also includes a key for the constant π.
The CITIZEN 800D was donated by the son of Jan Vlaming, who was a math teacher on Texel. Texel is one of The Netherland's Wadden Islands. |
©2026 Ernst Mulder