DM42 calculator from SwissMicros: “The DM42, one of our line-up of flagship RPN calculators, is a true homage to the legendary HP-42S, widely regarded as the b

DM42 calculator from SwissMicros: “The DM42, one of our line-up of flagship RPN calculators, is a true homage to the legendary HP-42S, widely regarded as the best calculator ever made. The DM42 is the most precise calculator on the worldwide market - second to none.” I now favor that over my HP-35S.