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HP re-releases classic computer science calculator: The HP-16C

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HP 16c Collector’s Edition

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User Guide

The Iconic Programmer’s Calculator – Reborn for a New Generation

After more than 35 years, the HP 16c – the legendary programmer’s calculator – returns in the Collector’s Edition. It preserves the intelligent design and power of the original model while introducing refined improvements for modern users.

Engineers, programmers, and enthusiasts will appreciate the same intuitive layout and advanced functionality, now with faster performance and enhanced programmability.

Pre-order the HP 16C today and save 10%. Offer ends July 31, 2026.

Best used for:Programming; Computer science; Logic design; Engineering
Entry-system logic:RPN (Reverse Polish Notation)
Keyboard:Numeric, with dedicated base mode keys (HEX, DEC, OCT, BIN)
Advanced functions:Integer arithmetic, bitwise operations, logical tests, base conversions (HEX/DEC/OCT/BIN), word-size control (1–64 bits), floating-point math, keystroke programming, conditional branching, subroutines, flags
Memory registers:99
Program memory:203 B
Program storage:Save / load program feature (new)
Power supply:2× CR2032 battery
Auto Power off:5 minutes
Display:LCD with 1 line × 10 characters, 7-segment
Dimensions:129 × 82 × 15 mm
Weight116 g, with batteries

Refined Design and Functionality

The HP 16c Collector’s Edition retains the familiar layout and design of the classic HP 16c but is now up to 100x faster.

It allows users to switch seamlessly between number bases (HEX, DEC, OCT, BIN) and to perform bitwise operations, logical tests, and integer arithmetic with customizable word size (1–64 bits).

Programming and Performance

Users can program keystroke sequences with conditional branching, subroutines, labels, and flags. Program memory supports up to 203 bytes, and the calculator provides 99 data registers for versatile applications.

The new model also includes the ability to save and load programs – a valuable feature for professionals and collectors alike.

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