DATAMATH  CALCULATOR  MUSEUM

MBO ALPHA 502

Date of introduction:  1978 Display technology:  LCD
New price:   Display size:  8 (5 + 2)
Size:  4.8" x 2.7" x 0.35"    
Weight:  2.1 ounces Serial No:  126058
Batteries:  2*LR44  Date of manufacture:  year 1978
AC-Adapter:   Origin of manufacture:  Japan
Precision:  9 Integrated circuits:  Toshiba T3763S
Memories:  1    
Program steps:   Courtesy of:  Ernst Mulder

This ALPHA 502 is nothing else than a better looking Toshiba SLC-8261. Don't miss the later ALPHA 902, a sibling of the SLC-8410

MBO International Electronic GmbH, Jena was founded 1973 and started with the MBO Junior the production of the first portable calculator in Germany. Later MBO placed their name stickers on far-east OEM products.

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, December 25, 2001. No reprints without written permission.