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Toshiba TOSCAL BC-1412 Desktop Calculator

Toshiba TOSCAL BC-1412
Images Courtesy Eric Holma

The Toshiba TOSCAL BC-1412 is a follow-on machine to Toshiba's second electronic calculator, the amazing BC-1411, utilizing a more more dense packaging scheme with low-profile vertically mounted diode-resistor logic gate daughter boards attached to the main logic boards. The BC-1412 uses Toshiba's unique refreshed capacitor register memory system used in the BC-1411, but rather radically reduced it in size. The result was a much smaller and lighter calculator that had all of the features of the BC-1411 with only difference being is that the BC-1412 uses a fixed decimal point location versus the automatic decimal point locating in the BC-1411.

Toshiba BC-1412 Specifications

Manufacturer: Tokyo Shibaura Mfg. Co. Ltd. (Toshiba)
Model Number: TOSCAL BC-1412
Date of Introduction: April, 1968 (Japan)
Manufactured In: Tokyo, Japan
Display Technology: Nixie Tubes w/Digits 0-9 and right hand decimal point
Logic Technology: Discrete Diode-Transistor Logic
Dynamic Capacitive Memory for Working Register Storage
Digits of Capacity: 14
Decimal Modes: Fixed decimal point at switch selectable position
Math Functions: Four Function
Memories: One Accumulator-style register
Size: 17" wide, 23 1/2" deep, 8 1/2" high

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