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My calculator page

  The description of MK-61 keyboard  

  Here I attempt to translate the "strange" markings on MK's keyboard so 
that they would be readable in English codetable 

The pseudo-writing mode 

  An introduction into a very strange mode of those calculators



My rantings about MK-85 

  This calculator remains quite unique (that is, there weren't too much of them manufacture, and still less bought). Thus, for the benefit of those who have not had an opportunity to play with it, I describe what kind of fun they've missed.