HP 41CX Programmable Scientific Calculator – Alphanumeric Display, RPN Logic, Extended Functions

The HP 41CX is a legendary programmable scientific calculator that set the standard for advanced engineering, scientific, and technical computing. Featuring a full alphanumeric LCD display, Reverse Polish Notation (RPN) entry system, and an extensive library of built-in functions, the HP 41CX offers unparalleled power and flexibility. With extended memory, a real-time clock, and the ability to connect with HP peripherals, this calculator was a pioneer in portable computing. Perfect for professionals, collectors, and enthusiasts, the HP 41CX remains a highly sought-after tool for its accuracy, expandability, and historical significance.

Product Features: 

• Full alphanumeric LCD display for text and numeric data
• RPN (Reverse Polish Notation) entry for efficient calculations
• Built-in extended functions and memory (X-Functions and X-Memory)
• Real-time clock with alarms and stopwatch functionality
• Programmable with up to 319 registers and 600+ lines of code
• Compatible with HP accessories like card readers, printers, and HP-IL
• Durable, professional-grade design with tactile keyboard

Note: This is a refurbished item that comes with a 90-day exchange warranty. This has been serviced and calibrated to work as new. Servicing can include replacement of belts, gears, capacitors, cleaning and re-lubricating all internal mechanisms. Porter Electronics prides itself on only acquiring top quality used products that show minimal signs of use. Buying from Porter Electronics you should expect a very nice, refurbished unit. We do offer an extended warranty that can be purchased during checkout and will apply at the end of our already 90-day warranty

Porter Electronics also offers free tech support for those needing extra help. We offer a free digital download of the manual for this on this page in the “Downloads” tab. If you are unable to locate the link, just use our Contact Us page to request one.