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HP 15C Programming Basics

Introduction to basic programming on the 15C. Please leave a comment if you have additional information to share or if there are some things I got incorrect.

hp11c

Got new batteries for my old hp11c and punched in code to calculate the Fibonacci sequence just to test it out. Still working (and still has the best calculator ...

HP 11C Keyboard Test

HP 11C Keyboard Test. Push the "ON" and division keys at the same time and start pushing the buttons from top left and complete each row to the right.

In Depth Look at the HP11C RPN

Infix notation is the notation used everyday, the operator is placed between operands: 2+3=. Prefix notation (known as Polish Notation) is a way of describing ...

HP 11C Self Test

HP 11C self test. To initiate self test, press "ON" and multiplication keys at the same time. "running" will be flashing on the display during the test and as a ...