DATAMATH CALCULATOR MUSEUM
Aristo M 27
|Date of introduction:||1972||Display technology:||LED|
|New price:||Display size:||8|
|Size:|| 5.8" x 3.2" x
88 x 60 x 27 mm3
|Weight:||8.5 ounces, 84 grams||Serial No:|
|Batteries:||5*AA||Date of manufacture:||year 1973|
|AC-Adapter:||Origin of manufacture:||Germany|
|Program steps:||Courtesy of:||Peter Muckermann|
(Germany) located company Dennert & Pape started already in the year 1872
the business with slide rules. About 100 years later they introduced under the
trademark ARISTO with the model M 27 their first electronic pocket calculator.
The M 27 based on the „calculator-on-a-chip"
manufactured by Texas Instruments and found in a lot of other calculators like
the Bowmar 901B and even the TI-2500
Datamath. Compared to these products the M 27 is unexpected small and shows
an unique design based on a housing with a white bottom, a mat black top and
keys in bright yellow and red colour. The next calculator in the ARISTO line is
the M 36 sporting an additional memory key. The M 36 could be called the most
beautiful calculator and ARISTO kept this design for the next some twenty
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© Joerg Woerner, May 3, 2002. No reprints without written permission.