Thank you! Neither is 38 to be honest. Hi boys n girls, up to now I thought that my Casio FX P had not so much memory with it's bytes. But now I see it was a memory gigant compared to the EC yes, they were looking very familiar.
And my FXP has monstrous bytes of ram. No idea ever how to fill it. Programming with the Radio Shack EC Another milestone: this is blog ! I can't thank you all enough! To see my retro review of this calculator I did two years ago, click here:. In AOS, the uniary functions trigonometric, logarithmic, factorial, for example are entered after you enter the number. The storage of the EC is a mere 38 steps which can be distributed into two program slots.
That is not a lot. Furthermore, if you enter numeric constants, each digit counts a step. Remember, the display does NOT display the key, so be careful when entering programs. There are a few program commands:. Otherwise, go to the next step. Since each digit counts as a step, try to use placeholder numbers like 0, 1, or 2. You can instead, use Kin or Min to store the entry in memory. The EC has six memory registers, plus one additional independent memory register M. On to the list of sample programs!
The hashtag stands for placeholder number. Area of a Regular Polygon. Sum of f x. M is the upper limit. Your variable for f x is register 1 use [Kout], 1. Before running, store the upper limit minus 1 in M, 0 in both registers 1 and 2. Register 1 is your counter, register 2 is your sum. In Summary:. Kin 1. Kout 2. Kin 2. If so, go to the beginning. Test 1: If the upper limit is 5, store 4 in M.
Thank you for such a details discussion of this! I also have one that still works great and has not had the battery changed in many, many years! I can not remember ever changing the battery.
This thing has been in a box in storage since I was, well I am 60 years old at the time of this post. Picked up a Radio Shack EC today for a buck. Same functions and capability but looks very different. Switch and Mode buttons are below the display. Labels such as ENG, sin, Kout printed on the buttons with inverse above. Guessing a later date. Mine's like that too I bought mine new around or I use it often and have only changed the battery a couple of times in the last 35 years.
Ed states that the one he has takes two batteries whereas mine uses one CR I wonder which version came out first? Consulting www. The first version, is the one I have pictured with the functions printed above the keys, which is a clone of a Casio fxp.
The second version, the one with the primary functions printed on the keys, is a clone of a Casio fxp. My educated guess is that the EC that Unknown and Mojo have came out later. I prefer the style of the primary functions printed on the keys the second version of the EC I have a late version of EC I used it with my students when I was a Stats teacher in a college in the eighties.
I am now 80 and I still use it to calculate the Sharpe ratio for my investments. Daily use for accounting. Totally indestructible.
Don't remember the last time I changed the battery. I still have mine, in its original case, and, I believe, running on its original batteries also. Indestructible for sure! Labels: calculator , devicegoaround.
Unknown December 27, at PM. Unknown December 31, at AM. Unknown February 28, at PM. MartinBe19 March 1, at PM. Edward Shore March 4, at AM. Unknown October 21, at AM. Unknown April 21, at PM.
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