Hewlett-Packard Journal articles regarding calculators

The Hewlett-Packard Journal has over the years published many articles and sidebars regarding calculators:

June 1972
- The "Powerful Pocketful": an Electronic Calculator Challenges the Slide Rule
- Algorithms and Accuracy in the HP-35
- Packaging the Pocket Calculator
May 1973
- A Pocket-Sized Answer Machine for Business and Finance
May 1974
- The "Personal Computer": A Fully Programmable Pocket Calculator
- Programming the Personal Computer
- Designing a Tiny Magnetic Card Reader
November 1975
- Three New Pocket Calculators: Smaller, Less Costly, More Powerful
- Inside the New Pocket Calculators
November 1976
- A Pair of Program-Compatible Personal Programmable Calculators
- Portable Scientific Calculator Has Built-In Printer
- The New Accuracy: Making 2**3 = 8
May 1977
- Personal Calculator Algorithms I: Square Roots
June 1977
- Personal Calculator Algorithms II: Trigonometric Functions
October 1977
- Printing Financial Calculator Sets New Standards for Accuracy and Capability
November 1977
- Personal Calculator Algorithms III: Inverse Trigonometric Functions
December 1977
- Wrist Instrument Opens new Dimension in Personal Information
April 1978
- Personal Calculator Algorithms IV: Logarithmic Functions
December 1979
- Personal Calculator Has Key to Solve Any Equation f(x) = 0
March 1980
- Powerful Personal Calculator System Sets New Standards
- Packaging the HP-41C
- Card Reader Offers Compatability and Extended Capability
- Evolutionary Printer Provides Significantly Better Performance
- Bulk CMOS Technology for the HP-41C
- The First HP Liquid Crystal Display
- High Density and Low Cost with Printed Circuit Hybrid Technology
August 1980
- Handheld Calculator Evaluates Integrals
January 1983
- HP-IL: A Low-Cost Digital Interface for Portable Applications
- HP-IL Interconnect System
- The Electronics for the Hewlett-Packard Interface Loop
- A CMOS Integrated Circuit fo rthe HP-IL Interface
- CMOSC: Low-Power Technology for Personal Computers
February 1983
- Low-Cost Instrument Control: A New ROM for the HP-41 Handheld Computers
May 1983
- Scientific Pocket Calculator Extends Range of Built-In Functions
- A Pocket Calculator for Computer Science Professionals
June 1983
- A Portable Computer for Field, Office, or Bench Applications
- HP-IL and the HP-75 Portable Computer
- High-Capacity Electronics Systems for a Compact, Battery-Operated Computer
- Handpulled Magnetic Card, Mass Storage System for a Portable Computer
- The HP-75 Production Card Recorder
- Integration of the HP-75's Handpulled Card Reader Electronics in CMOS
July 1984
- A New Handheld Computer for Technical Professionals
- Soft Configuration Enhances Flexibility of Handheld Computer Memory
- Custom CMOS Architecture for a Handheld Computer
- Packaging the HP-71B Handheld Computer
- Module Adds Curve-Fitting and Optimization Routines to the HP-71B
- ROM Extends Numerical Function Set of Handheld Computer
- Plug-In Module Adds FORTH Language and Assembler to a Handheld Computer
August 1987
- A Handheld Business Consultant
- An Evolutionary RPN Calculator for Technical Professionals
- Mechanical Design of the HP-18C and HP-28C Handheld Calculators
- Symbolic Computation for Handheld Calculators
- A Multichip Hybrid Printed Circuit Board for Advanced Handheld Calculators
- An Equation Solver for a Handheld Calculator
- Electronic Design of an Advanced Technical Handheld Calculator
October 1987
- An Infrared Link for Low-Cost Calculators and Printers
- A Low-Cost Wireless Portable Printer
- Manufacturing State-of-the-Art Handheld Calculators
June 1991
- The HP 48SX Scientific Expandable Calculator: Innovation and Evolution
- The HP 48SX Interfaces and Applications
- HP Solve Equation Library Application Card
- Hardware Design of the HP 48SX Scientific Expandable Calculator
- The HP 48SX Calculator Input/Output System
- Manufacturing the HP 48SX Calculator
August 1994
- An Advanced Scientific Graphing Calculator
- User Versions of Interface Tools

Last updated Feburary 16, 2005


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