AKA: BOLEK, AKA (Label): TYP ELWRO 441, Product number (P/N): 441 (TYP 441),
Keywords/Tags: 441 (TYP 441) | BOLEK
Date of intro: 1978, Origin: Poland (List), Dimensions: 130x68x23mm, Weight: 85g,
Power: 9V + Adaptor,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 20,
Classification: / Pocket,
Featuring: Procent, Square root, Memories: 1,
Main Components: MOS TECHNOLOGY: MPS7545,
Other components: UCY: 74548,
Resemblance with: (Resemblance 006),
Known Serial-numbers: 80238940 (List of all S/Ns from ELWRO)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE TECHNOLOGY