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The calculator uses 3 PCBs internally, one for the power supply, mounted inside a metal cage, and display and logic boards, both seated into a card-edge connector. | The calculator uses 3 PCBs internally, one for the power supply, mounted inside a metal cage, and display and logic boards, both seated into a card-edge connector. | ||
The calculator uses a [[reed switches|reed-switch]] keypad, [[:Category:VFD|Vacuum Fluorescent Displays]] (8x Itron [[Itron DG12B|DG12B]] and 1x Itron [[Itron SP-12A|SP-12A]]), and 5 [https://en.wikipedia.org/wiki/Integrated_circuit Integrated Circuits], the [[Category:Rockwell]] [[Rockwell NRD2256]], [[Rockwell DC1152]], [[Rockwell ACM1156]], [[Rockwell AU2271]], and the [[Hitachi]] [[Hitachi HD3113]], presumably for keyboard decoding purposes. | The calculator uses a [[reed switches|reed-switch]] keypad, [[:Category:VFD|Vacuum Fluorescent Displays]] (8x Itron [[Itron DG12B|DG12B]] and 1x Itron [[Itron SP-12A|SP-12A]]), and 5 [https://en.wikipedia.org/wiki/Integrated_circuit Integrated Circuits], the [[Category:Rockwell]] [[Rockwell NRD2256]], [[Rockwell DC1152]], [[Rockwell ACM1156]], [[Rockwell AU2271]], and the [[Hitachi]] [[Hitachi HD3113|HD3113]], presumably for keyboard decoding purposes. | ||
== Gallery == | == Gallery == |
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