Greg Maletic en Twitter: "Today's calculator: the Aristo M27. From 1972, it is -incredibly- small for its day. But why this size: why 88 x 60mm? It's exactly the size of 5
Fun and Passion for Texas Instruments - Aristo M27. Year 1973 with chip TMS0105. Hamburg (Germany) located company Dennert & Pape started already in the year 1872 the business with slide rules.
![Greg Maletic en Twitter: "Today's calculator: the Aristo M27. From 1972, it is -incredibly- small for its day. But why this size: why 88 x 60mm? It's exactly the size of 5 Greg Maletic en Twitter: "Today's calculator: the Aristo M27. From 1972, it is -incredibly- small for its day. But why this size: why 88 x 60mm? It's exactly the size of 5](https://pbs.twimg.com/media/EGS3H_GUEAA-1gK.jpg)
Greg Maletic en Twitter: "Today's calculator: the Aristo M27. From 1972, it is -incredibly- small for its day. But why this size: why 88 x 60mm? It's exactly the size of 5
![GERMAN ARISTO BISCHOLAR LL 0906LL SLIDE RULE. REGLA DE CÁLCULO CON FUNDA E INSTRUCCIONES EN ALEMAN GERMANY SLIDE… | Slide rule, Calculators, Information technology GERMAN ARISTO BISCHOLAR LL 0906LL SLIDE RULE. REGLA DE CÁLCULO CON FUNDA E INSTRUCCIONES EN ALEMAN GERMANY SLIDE… | Slide rule, Calculators, Information technology](https://i.pinimg.com/736x/76/6e/72/766e7212f7d4005a1a870d535fb8bf25.jpg)