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result on the display of HP50g - Printable Version

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RE: result on the display of HP50g - John Colvin - 09-06-2015 07:42 PM

(09-05-2015 02:46 AM)Skyblues Wrote:  I'm running through some tutorials for my 50G and am having a similar problem of not being able to see the solutions. Here is what I'm doing:

1) Select the numeric solver by pressing the ORANGE shift key followed by the 7 key.
2) Select the polynomial solver (press 3) to solve for the zeroes of a polynomials.
3) Once in the Solver, I select EDIT which takes me to a type of matrix editor.
4) I enter [ 1. 0. 2. 0. 2. ] for this polynomial X^4+2X^2+2
5) Select ENTER and am taken back to the Solver.
6) Arrow down for Roots and select SOLVE which give me the roots.

Since I can't see the solution, the tutorial suggests to select EDIT which takes me back to the matrix writer. I scroll through the entires in the matrix to see each of the 4 solutions but still can't see the whole solution.

I try to select +MID and MID+ to change the size but still can't see the solutions.

I have a Casio 991EX where I have a button S<->D which will put a long solution on two lines so I can see it. Does the 50G do anything similar?

Also, when I solve it in the Prime, the Prime lets me scroll to the right seeing all the solutions.


I tried brickviking's suggestion of using VIEW but that's not letting me see the solutions, either.

I haven't tried John H Meyers "page by page viewer" because I figure there must be a way to accomplish my task without getting side tracked on having to figure out how to enter programs into the 50G (I'm still new to all this).

I use this simple technique to view the roots of polynomials that do not fit on one line.
1) After obtaining the solution, press PRG(left shift EVAL)->TYPE->OBJ->
This removes the"roots" tag.

2)Then DROP and do OBJ-> again and you get all four roots neatly displayed on stack levels 2 through 5 with the element count on level 1.
You don't really need a program to do this.

RE: result on the display of HP50g - ijabbott - 09-06-2015 10:05 PM

(09-05-2015 06:16 PM)tigger Wrote:  Great, it works.

But if I come to the third derivate I will get the same problem again. Would there be a solution again.

In TOOL -> VIEW you can use the left and right cursor keys to scroll horizontally.

RE: result on the display of HP50g - Skyblues - 09-07-2015 02:45 AM

Thanks everyone for your help! I still don't understand it all but I was able to get all the options suggested to work.

I like the "page by page viewer" best.

Simone, thanks for the step by step instructions, that was incredibly helpful!