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Save simple arithmetic calculation on 9750giii


Best Answer Hlib2 , 20 February 2021 - 05:49 PM

There is the easiest way in the manual calculation mode Run/Mat with the setting Linear (not Math). Use the ↑or ↓ keys to select the previously entered calculation chain. Then switch to edit mode: press ← or ➝. Then: OPTN F6 F6 F3 (function memory) F1 (store in function memory). Select the number to save, for example: 1 EXE.
Now you can call this text to the display at any time: OPTN F6 F6 F3 F2 (Recall) 1 EXE. The saved text in edit mode will appear on the display. Add new calculations to it, and click EXE. And so on.
I hope you can figure out how to save 50 expressions and then organize repeated calculations with them. :-) Go to the full post


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#1 Jpe1701

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Posted 20 February 2021 - 10:06 AM

Hi, I'm new here and I've never used a casio graphing calculator before. I used to use a ti-89 when I was in school but that was many years ago. I have ordered an fx 9750giii mostly for simple calculations but once in a while a complex math problem will be rolling around in my head and I wanted a quick way for me to solve it without starting up my pc.
When I do my monthly budget I want to be able to save the entire string of arithmetic. How do I go about doing that on my model? I have looked a little online but I only see instructions for more advanced mathematics which I am sure I can figure out on my own. Keep in mind I don't physically have the calculator yet as it is still on its way.
Thank you

#2 Hlib2

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Posted 20 February 2021 - 01:42 PM

@ Jpe1701

... I want to be able to save the entire string of arithmetic.

It is very difficult to understand what this means. Could you give us a concrete example?

#3 Jpe1701

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Posted 20 February 2021 - 04:43 PM

@ Jpe1701
It is very difficult to understand what this means. Could you give us a concrete example?

Hi, sure
I mean if I do simple addition or subtraction like
200+100-50-50-25-25= 150

I want to save the entire calculation so I can later look at each item added or subtracted to arrive at the answer.
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#4 Hlib2

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Posted 20 February 2021 - 05:49 PM   Best Answer

There is the easiest way in the manual calculation mode Run/Mat with the setting Linear (not Math). Use the ↑or ↓ keys to select the previously entered calculation chain. Then switch to edit mode: press ← or ➝. Then: OPTN F6 F6 F3 (function memory) F1 (store in function memory). Select the number to save, for example: 1 EXE.
Now you can call this text to the display at any time: OPTN F6 F6 F3 F2 (Recall) 1 EXE. The saved text in edit mode will appear on the display. Add new calculations to it, and click EXE. And so on.
I hope you can figure out how to save 50 expressions and then organize repeated calculations with them. :-)

#5 Jpe1701

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Posted 20 February 2021 - 06:08 PM

There is the easiest way in the manual calculation mode Run/Mat with the setting Linear (not Math). Use the ↑or ↓ keys to select the previously entered calculation chain. Then switch to edit mode: press ← or ➝. Then: OPTN F6 F6 F3 (function memory) F1 (store in function memory). Select the number to save, for example: 1 EXE.
Now you can call this text to the display at any time: OPTN F6 F6 F3 F2 (Recall) 1 EXE. The saved text in edit mode will appear on the display. Add new calculations to it, and click EXE. And so on.
I hope you can figure out how to save 50 expressions and then organize repeated calculations with them. :-)

Nice, thank you very much. I appreciate the help.

#6 MJim

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Posted 21 February 2021 - 02:01 AM

You can also backup the RAM to the flash via the memory manager: Main Menu -> Memory(F) -> F4(BKUP) -> F1(SAVE) though this only allows you to make a single backup.  

Alternatively you can just backup the file "SYSTEM" which contains the Run/Mat mode calculation history and clipboard (not the matrices however!): Main Menu -> Memory(F) -> Main Memory(F1 - scroll to highlight SYSTEM) -> F1(select) -> F2(copy) -> EXE then give it a custom name and all of your Run/Mat history will be backed up to the flash using the given file name.  

To recall: Main Menu -> Memory(F) -> Storage Memory(F2 - scroll to highlight the file you saved) -> F1(select) -> F2(copy) and it will overwrite the current SYSTEM with the backup you made (so don't forget to back that up first if you want to keep that history!).

Hlib2's method has the advantage that it doesn't require using the flash memory (less wear and tear and there is a fairly limited amount of storage on the flash in any case).  I also think the function memories are a bit of an underrated feature as it allows you to store an additional 20 functions outside of the graphing/table programs, so it will be handy to get familiar with these in any case.

Not sure how applicable this is the new fx-9750GIII, I'm just assuming that it is almost the same as the fx-9750GII (upgraded to the fx-9860GII firmware), but there may be some differences.


Edited by MJim, 21 February 2021 - 02:10 AM.


#7 Jpe1701

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Posted 21 February 2021 - 07:08 AM

You can also backup the RAM to the flash via the memory manager: Main Menu -> Memory(F) -> F4(BKUP) -> F1(SAVE) though this only allows you to make a single backup.

Alternatively you can just backup the file "SYSTEM" which contains the Run/Mat mode calculation history and clipboard (not the matrices however!): Main Menu -> Memory(F) -> Main Memory(F1 - scroll to highlight SYSTEM) -> F1(select) -> F2(copy) -> EXE then give it a custom name and all of your Run/Mat history will be backed up to the flash using the given file name.

To recall: Main Menu -> Memory(F) -> Storage Memory(F2 - scroll to highlight the file you saved) -> F1(select) -> F2(copy) and it will overwrite the current SYSTEM with the backup you made (so don't forget to back that up first if you want to keep that history!).

Hlib2's method has the advantage that it doesn't require using the flash memory (less wear and tear and there is a fairly limited amount of storage on the flash in any case). I also think the function memories are a bit of an underrated feature as it allows you to store an additional 20 functions outside of the graphing/table programs, so it will be handy to get familiar with these in any case.

Not sure how applicable this is the new fx-9750GIII, I'm just assuming that it is almost the same as the fx-9750GII (upgraded to the fx-9860GII firmware), but there may be some differences.


Thank you. Good to know. Yeah I will probably use the function memory because I think the CAS program I intend to install uses a good portion of the flash. I don't really need the CAS functionality but it's very handy when I have a problem that I will be solving again in the future so I can just memorize the formula or put it in memory. My memory isn't what it once was so I have to use paper to visualize the algebra now and I hate wasting paper. Again thank you. I am looking forward to exploring it.

#8 Hlib2

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Posted 22 February 2021 - 04:15 PM

@ MJim

Hlib2`s method has the advantage that it doesn`t require using the flash memory (less wear and tear and there is a fairly limited amount of storage on the flash in any case).  I also think the function memories are a bit of an underrated feature as it allows you to store an additional 20 functions outside of the graphing/table programs, so it will be handy to get familiar with these in any case.

With the help of the "Spreadsheet" application, which is available in the calculator, all of the above can be done much more efficiently and faster. Each calculation chain in the "Spreadsheet" can be additionally assigned its own name, etc. You just need to read the manual for the calculator.
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#9 MJim

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Posted 23 February 2021 - 12:46 AM

With the help of the "Spreadsheet" application, which is available in the calculator, all of the above can be done much more efficiently and faster. Each calculation chain in the "Spreadsheet" can be additionally assigned its own name, etc. You just need to read the manual for the calculator.

Very true! I don't know why that didn't occur to me, but that would be an excellent way of storing calculations (not familiar with being able to store calculation chains, but that sounds rather neat, so I should consult the manual myself :D ).

 

Unfortunately I'm now reminded of how close the fx-991EX came to being my favorite non-programmable/non-graphing calculator, as I really like the spreadsheet function on it....stupid forgetful fx-991EX...



#10 Jpe1701

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Posted 23 February 2021 - 02:25 AM

@ MJim
With the help of the "Spreadsheet" application, which is available in the calculator, all of the above can be done much more efficiently and faster. Each calculation chain in the "Spreadsheet" can be additionally assigned its own name, etc. You just need to read the manual for the calculator.


Yeah I don't know why I didn't think of that either. Thank you. I've played with the spreadsheet on the ti-89 before so I don't imagine it's all that different. I guess I was just making the simple math over complicated. Ha ha. Mostly I'm just getting antsy to play with it but the postal service is taking forever to get it here. I dug out my fx 82ms today which I have been just using for simple stuff and it is actually way more advanced than I had thought after taking the time to check it out. I didn't even realize it was a casio because I just chose the cheapest scientific calculator I saw when I bought it because I just needed trig functions at the time and didn't care about any of the other stuff.
Have either of you tried xcas the open source cas program on a casio graphing calculator? I am going to try it.

#11 piu58

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Posted 23 February 2021 - 05:12 PM

I use xcas regularely at my cg20 calculators. I have two of them. It works pretty well, nearly identical to the pc version.

 

The only issue: If you leave the xcas mode, the calculator need around half a minute. 






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