HP-11C. The HP-11C was a mid-range scientific programmable calculator. Compared to the previous series it would fall between the HP-33E/C and HP-34C. It also included two new features: a built-in random number generator and a backspace key that allowed numbers to be corrected a digit at a time.

The Hewlett Packard HP 11C is a very popular calculator with collectors. It can bring from $100.00 in average condition to nearly $300.00 in excellent condition and including some accessories such as the box, CD, manual and case.

The HP-11C is a mid-range scientific programmable calculator. The HP-12C is a popular financial calculator. It was such a successful model that Hewlett-Packard redesigned it from scratch, [1] added several new functions, and introduced it as the HP 12c Platinum in …

Free download of a color scan of the English-language book 'HP-11C Owner's Handbook and Problem-Solving Guide' by Hewlett-Packard, which is an owner's manual (user's guide, operating manual, owner handbook) for the HP-11C calculator.

The Museum of HP Calculators displays and describes older Hewlett-Packard calculators. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.

View and Download HP -11C owner's handbook manual online. HP-11C calculator pdf manual download.

A mid-range and programmable scientific calculator, the HP 11C has two features that are an improvement from an earlier version, the HP-33E/C. These two features are its built-in random number generator and a backspace key that enables users to correct a problem or formula one number at a time.

HP-11C HP-11C Quick Reference Thimet Memory & Display Memory Approx. 204 bytes of memory Default: 20 number storage registers (7 bytes each) and 64 program steps. Storage registers are automatically converted to program memory as needed. 4-level stack, Last-X, Index register. Nonvolatile memory, partially merged program commands Number separator

Free download of a color scan of the English-language book 'HP-11C Solutions Handbook' by Hewlett-Packard, which is an advanced user's guide or advanced user's reference for the HP-11C calculator.

To stop the continuous test at the end of the current iteration, press and hold − and then press ON. There is also a keyboard test. With the calculator off, press and hold ÷ and press ON. Now press each key from the top left moving left to right and then down (the enter key gets pressed in both the third and fourth rows.)