34-DIGIT WORLD-CLASS PRECISION: Features IEEE 754-2008 quadruple precision. The most accurate handheld for zero-error professional math.
LEGENDARY HP 42S EXPERIENCE: A high-performance tribute to the iconic HP-42S. Runs the Free42 engine natively for the ultimate RPN logic workflow.
BILLET STAINLESS STEEL CHASSIS: Heavy-duty 316L stainless steel shell with a matte black PVD finish. Laser-engraved keys for a lifetime of durability.
MODERN HARDWARE & USB-C: Ultra-fast ARM Cortex-M33 CPU with expanded RAM. Integrated USB-C for fast data backups, firmware updates, and PC/Mac link.
SHARP MEMORY LCD DISPLAY: High-contrast 400x240 screen protected by Gorilla Glass. Crystal-clear readability for matrices, solvers, and complex math.
PRECISION RPN STACK LOGIC: Features the iconic four-level stack and Reverse Polish Notation for faster, error-free calculations. The modern standard for Scientific and Financial professionals who demand a high-performance alternative to traditional entry.
The most precise calculator on the worldwide market - second to none! And it uses the powerful and proven RPN logic. DM42 runs Free42, which uses the Intel Decimal Floating-Point Math Library; it uses IEEE 754-2008 quadruple precision decimal floating-point, which consumes 16 bytes per number, and gives 34 decimal digits of precision, with exponents ranging from -6143 to +6144.