Keystone 395: Difference between revisions
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[[Category:Pocket calculator]] | [[Category:Pocket calculator]] | ||
[[Category:Vintage calculator]] | [[Category:Vintage calculator]] | ||
[[Category:Help needed]] | |||
{{Infobox calculator|name=Keystone 395|image=Image:Keystone 395. | {{Infobox calculator|name=Keystone 395|image=Image:Keystone 395.jpg|display_type=Panaplex II|ports=3.5mm TS connector|processor=[[Rockwell A1241PA]]|display_size=8 digits (and negative indicator)|prog_lang=N/A}} | ||
The '''Keystone 395''' is a calculator produced by the Keystone corporation in the mid-1970s. | The '''Keystone 395''' is a calculator produced by the Keystone corporation in the mid-1970s. | ||
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== Internal design == | == Internal design == | ||
== Gallery == | |||
<gallery> | |||
File:Keystone 395 rear.jpg|Rear case | |||
File:Keystone 395 keypad rear.jpg|Keypad produced by Texas Instruments | |||
File:Keystone 395 board top.jpg|Top of board | |||
File:Keystone 395 board bottom.jpg|Bottom of board | |||
</gallery> | |||
== External resources == | == External resources == | ||
== See | * [http://madrona.ca/e/eec/calcs/Keystone395.html Keystone 395 at madrona.ca (with schematic)] | ||
== See also == | |||
Latest revision as of 06:25, 15 July 2022
 | |
| Calculator | |
|---|---|
| Display type | Panaplex II |
| Display size | 8 digits (and negative indicator) |
| CPU | |
| Processor | Rockwell A1241PA |
| Programming | |
| Programming language(s) | N/A |
| Interfaces | |
| Ports | 3.5mm TS connector |
| Other | |
The Keystone 395 is a calculator produced by the Keystone corporation in the mid-1970s.
Features[edit | edit source]
Internal design[edit | edit source]
Gallery[edit | edit source]
Rear case
Keypad produced by Texas Instruments
Top of board
Bottom of board
