RPN Calculator Model DM42n by Swissmicros

The DM42n, a flagship RPN calculator by Swiss Micro, is a faithful tribute to the iconic HP-42S, often considered the greatest calculator ever created. Building upon the DM42, this improved version features significantly more RAM, a substantially faster CPU, and a modern USB-C port. The DM42n is the most precise calculator on the worldwide market — second to none — and uses the powerful and proven RPN logic. The DM42n runs Free42, based on a decimal floating-point math library and IEEE 754-2008 quadruple precision decimal floating-point, encoding numbers in 16 bytes and giving 34 decimal places of precision with exponents ranging from -6143 to +6144. DM42n calculator features 34-digit mantissa for ultimate handheld precision Uses proven RPN logic Programmable Alphanumeric display Custom program labels execute upon a single key press Solver Integration Matrix operations Complex numbers support DM42n hardware features A USB-C connector for complete and easy calculator contents backu