AKA: CONTEX 250, Product number (P/N): 250,
Keywords/Tags: 250 | CONTEX
Date of intro: 1972, Origin: Denmark (List), Dimensions: 215x205x70mm, Weight: 1560g,
Power: AC,
Display: Type = Display (Gas disharge) (List), Digits = 14, Extra Display features: Type = Display (Incandescent bulb) (List), Quantity = 2,
Number of keys: 25, #Key-Grey: 13, #Key-White: 12,
Round switch: [(ArrowUp)-5/4-(ArrowDown)], Indicators: (Minus) OVF,
Classification: / Desktop with Display,
Featuring: Procent, Logic-technology: LSI (Large Scale Integration), calculator-chipset,
Main Components: ELECTRONIC ARRAYS: FDY150B5005; ELECTRONIC ARRAYS: FDY300B7003; ELECTRONIC ARRAYS: FDY310B7014; ELECTRONIC ARRAYS: FDY320B7002; ELECTRONIC ARRAYS: FDY810BZ47129,
Other components: NATIONAL SEMICONDUCTOR: DM7402N; NATIONAL SEMICONDUCTOR: DM7404N; NATIONAL SEMICONDUCTOR: DM7472N; NATIONAL SEMICONDUCTOR: DM7490N; NATIONAL SEMICONDUCTOR: DM8880N,
Known Serial-numbers: 084000413 (List of all S/Ns from REX-ROTARY)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),