Calculator blog
Musings and comments about our common interest
cable IV
Published on by JGD
Battery door for the back door hp19bII
Published on by JGD
The HP19bII is a fantastic calculator with one of the most complete function sets. It was the workhorse of the MBA I did at the beginning of the nineties. Most of my companions were using this calculator.
Possible improvements to HP15c firmware
Published on by JGD
What could be improved on the HP15c CE by changing the firmware?
- Back up: in my opinion, the ability to write down user memory (including memory disposition) would be fantastic. not only you save your hard-entered programs, but you could store different profiles (EE, algebra, finance, others...) and change them "on the fly"
- Me...
Why HP15c CE "Enhanced" ?
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We are offering theHP15c CE "Enhanced" at a 10€ premium over the standard price of the HP15c CE....
Reprogramming cable latest news
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We have received news that the first batch of programming cables will be shipped late next week - this means typically one week more of delay compared to the latest Jan-15th schedule we published. We apologize for the delay and expect that all changes made on the design result in a better, ...
The function key program trick for HP15c
Published on by JGD
Now that we have so many program steps in the new HP15c CE, we need to orgaize the programs. In many cases, you need to input several variables to run the program (say TVM, with 5 variables: n, i, PV, PMT and FV; but there may be several other programs)
It consists in using one label to store the value and solve for that variable when pressing R/S. An example:
HP Robots 2
Published on by JGD
The HP Robot is called Otto. There are robot machines, different body options, STL drawings to be 3D printed (in 3D-printing companies or the 3D-printer of the school), programming tools (in modules and translation to Python). Quite interesting if you want to introduce youngsters into procedural programming, in a way quite similar to Apple's playgrounds but with a real machine that is loaded a program through USB.
We have not taken a decision yet on whether to carry this line...
HP Robots !!!!
Published on by JGD
You saw it first here! A new product line for education with the HP brand: HP Robots !! Intended squarely for the educational market, with several complexity levels and many options, allow children to learn about 3D printing, assembling, reading manuals, and object programming and python:
The HP15c and HP16c in HP Journal of May 1983
Published on by JGD
If you have time for an interesting read, please take a look at the two last articles on May 1983 issue of HP Journal: