Modern Take on a Classic: A reimagined HP-15C with updated precision and enhanced functions. Handles geometry, statistics, and engineering tasks with ease and rivals today’s top graphing and scientific calculators for academic or professional use. Programmable Power: Up to 448 program steps with labels, subroutines, and conditional branching — ideal for exam prep and advanced coursework in algebra, physics, and engineering. Engineered for Complex Math: Handles matrix operations, complex numbers, numerical integration, root solving, and advanced calculus, with clear multi-view display for physics and statistics. Efficient RPN Logic: Reverse Polish Notation minimizes keystrokes and input errors, speeding up multi-step calculations in algebra, calculus, finance, and more. Premium, Portable Build: CNC-machined titanium housing provides durability and long life, while the high-contrast display and lightweight, compact design make it easy to carry and resilient for everday use. Compact Scientific Powerhouse: Full scientific calculator capability in a slim, pocket-sized design — perfect for engineers and students on the move. Memory Retention After Power-Off: Keeps programs and settings safe, even when powered off — exactly what you need for a long project or traveling. Intuitive User Experience – Familiar layout and function set mirror the classic HP-15C, making it easy for longtime users to transition without a learning curve. Fast Execution of Stored Programs – Modern internals deliver faster performance than the original HP-15C, accelerating complex calculations and workflows. Ideal for STEM Professionals – A trusted tool for physicists, mathematicians, engineers, and students needing reliability and power in one compact device. SwissMicros DM15L RPN Scientific Calculator – A modern reimagining of the HP-15C, this advanced scientific and programmable calculator blends classic design with modern precision for school, college, and professional use. Ideal for algebra, geometry, calculus, physics, chemistry, statistics, and engineering, it rivals popular graphing calculators and scientific calculators like the TI-83, TI-84, TI-36X, ClassWiz, NumWorks, Casio fx-260, and CG50. Whether you’re a student preparing for exams, a teacher guiding lessons, or an engineer handling technical projects, it’s a versatile and reliable choice for the classroom, office, or fieldwork. This advanced programmable calculator supports up to 448 program steps, labels, subroutines, and conditional branching—ideal for solving repetitive and multi-step problems. It excels in matrix operations, complex numbers, numerical integration, root solving, and more. The Reverse Polish Notation (RPN) system boosts speed and accuracy by reducing keystrokes and input errors, making it a favorite for exam prep, college algebra, dual-line display problem solving, and advanced engineering work. It’s also well-suited for finance, construction, trades, aviation, and scientific research. Built with CNC-machined titanium housing, the DM15L is engineered for durability and long life. The high-contrast display offers crystal-clear readability, while the lightweight, portable design fits easily into a backpack, briefcase, or lab coat pocket. Ideal for students from middle school to university, professionals in STEM, finance, and technical fields, and anyone who needs reliable calculation tools for basic math functions, advanced problem solving, and graphing-style capabilities. From high school geometry homework to engineering-level calculus, the SwissMicros DM15L is a premium calculator built to perform anywhere you need it.