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Get it between 2025-05-29 to 2025-06-05. Additional 3 business days for provincial shipping.
True RPN Logic for Professionals: Experience fast, accurate Reverse Polish Notation (RPN) calculations with the SwissMicros DM42, perfect for engineers, scientists, and technical experts seeking maximum precision.
A Modern Successor to HP Classics: Modeled after the legendary HP-42S and honoring icons like the HP-41C, HP-41CV, HP-41CX, HP-32S, HP-32SII, and HP-15C, the DM42 offers modern upgrades while preserving trusted RPN logic.
High-Resolution Display for Maximum Visibility: Featuring a large 400×240 pixel LCD, the DM42 provides crystal-clear visibility of your entire RPN stack, calculations, and programs in all lighting conditions.
Swiss Engineering Meets Durable Performance: Built with a rugged stainless steel case and a tactile, responsive keyboard, the DM42 delivers professional-grade durability and precision for heavy daily use.
Programmable Power for Complex Solutions: Easily create advanced programs with floating-point precision and extensive memory, ideal for solving complex problems in engineering, mathematics, and finance fields.
Portable, Lightweight, and Travel-Ready: Designed for portability, the DM42 fits easily into backpacks, briefcases, and field kits, making it the perfect scientific calculator for mobile professionals and students.
Engineered for Maximum Productivity: Work faster and smarter with a silent, error-free input system, responsive key feedback, and high-speed processing, making the DM42 a true productivity calculator for serious users.
Nostalgic Design, Updated for the Future: Enjoy the familiar feel of classic RPN calculators with a modern twist, combining Swiss craftsmanship with the proven legacy of HP’s finest scientific models.
Customizable and Adaptable to Your Needs: Tailor your workflow with user-defined menus, programmable keys, and firmware upgrades — offering the ultimate customizable experience for RPN power users.
Trusted Worldwide by Engineers and Scientists: Thousands of professionals across the globe trust SwissMicros DM42 for its precision, reliability, and ability to carry forward the Reverse Polish Notation tradition.
The SwissMicros DM42 is the pinnacle of reverse polish notation (RPN) calculators, combining advanced functionality, premium design, and unmatched reliability. Ideal for engineers, mathematicians, financial professionals, and enthusiasts, this programmable calculator offers precision and performance in a portable package.