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

HP 41CX Programmable Scientific Calculator – RPN with Extended Memory

The HP 41CX is one of Hewlett-Packard's most advanced classic programmable scientific calculators. Designed for engineers, scientists, surveyors, programmers, and technical professionals, the 41CX combines HP's renowned Reverse Polish Notation (RPN) logic with extensive programmability, an alphanumeric display, expanded built-in memory, time functions, and HP-IL support. As the flagship model of the HP-41 series, the 41CX integrated capabilities that previously required separate expansion modules, making it one of the most desirable calculators in HP's classic professional lineup.

Key Features

• Advanced programmable scientific calculator
• Hewlett-Packard Reverse Polish Notation (RPN)
• Alphanumeric LCD display
• Displays numbers, letters, prompts, and program information
• Extended built-in memory
• Extensive programmable functionality
• Supports custom programs and specialized calculations
• Scientific and engineering functions
• Trigonometric and logarithmic calculations
• Statistical functions
• Programmable registers
• Alpha mode for entering text and labels
• Built-in real-time clock and calendar functions
• Time and date calculations
• Stopwatch and alarm functions
• HP-IL interface capability
• Designed for use with compatible HP-IL peripherals
• Four expansion ports for compatible HP-41 accessories and modules
• Supports specialized application modules
• Highly customizable keyboard/programming workflow
• Battery-powered portable operation
• Durable professional calculator design
• Dimensions: Approximately 5.6" H × 3.1" W × 1.3" D
• Weight: Approximately 7 oz. with batteries

Refurbishment & Warranty

• Professionally refurbished, fully tested, and cleaned
• LCD display inspected
• Every keyboard key tested for proper response
• RPN calculation functions verified
• Programming and memory functions checked
• Real-time clock and date functions tested
• Expansion ports inspected
• Battery compartment cleaned and checked for corrosion
• Internal electronics inspected
• Exterior professionally cleaned
• Fully tested for proper operation before shipment
• Includes a 90-day exchange warranty
• Optional extended protection available
• Free U.S.-based tech support

What's Included

• HP 41CX Programmable Scientific Calculator
• Manual available for download

Ideal For

The HP 41CX is an excellent choice for engineers, scientists, surveyors, technical professionals, HP calculator collectors, and users maintaining established HP-41 applications. Its combination of RPN logic, extensive programmability, expanded memory, time functions, and peripheral expandability makes it one of the most capable and collectible calculators from HP's classic professional era.