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HP Journal logo HP Journal calculator related articles.

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The Hewlett-Packard Journal has been documenting HP's technologies and achievements since 1949. The articles listed below give a nice in depth view on the development related to calculators.

HP Journal
Model(s)
Title
1972-06
Algorithms and Accuracy in the HP-35.
1972-06
Packaging the pocket calculator
1972-06
The 'Powerful Pocketful': an Electronic Calculator Challenges the Slide rule.
1973-05
A Pocket Sized Answer Machine for Business and Finance.
1974-05
Designing a Tiny Magnetic Card Reader.
1974-05
Programming the Personal computer.
1974-05
Testing the HP-65 Logic Board.
1974-05
The Personal Computer A Fully Programmable Pocket Calculator.
1975-11
Inside the New Pocket Calculator Series.
1975-11
Three New Pocket Calculators Smaller Less Costly More Powerful.
1976-11
A Pair of Program Compatible Personal Programmable Calculators
1976-11
HP-91
Portable Scientific Calculator has build in printer.
1979-12
Personal Calculator has Key to Solve any Equation.
1980-03
Card reader offers Compatibility and expanded capability.
1980-03
Power full Personal Calculator System sets new Standards.
1980-03
The First HP Liquid Crystal Display.
1987-08
A Handheld Business Consultant.
1987-08
A Multi chip Hybrid Printed Circuit board for advanced Handheld Calculators.
1987-08
An Equation Solver for a Handheld Calculator.
1987-08
Electronic Design of An Advanced Technical Handheld Calculator.
1987-08
Mechanical Design of the HP-18C and HP-28C Handheld Calculators.
1987-08
An Evolutionary RPN Calculator for Technical Professionals.
1987-08
Symbolic Computation for Handheld Calculators.
1987-10
A Low-Cost Wireless Portable Printer.
1987-10
An Infrared Link for Low-Cost Calculators and Printers.
1991-06
Hardware design of the HP-48SX Scientific Expandable Calculator.
1991-06
HP Solve equation Library Application Card.
1991-06
Manufactoring the HP 48 SX Calculator.
1991-06
The HP-48SX Calculator Input-Output System.
1991-06
The HP-48SX Scientific Expandable Calculator Innovation and Evolution.
1991-06
HP 48-SX Interfaces and Applications.
1994-08
An Advanced Scientific Graphing Calculator.
1996-06
A Graphing Calculator for Mathematics and Science Classes.
1996-06
Creating HP-38G Aplets
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