Question about Sharp EL-520X Advanced Scientific Calculator White BP package of 5

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How to work with complex number

How to change 8+j6 to polar form?

Posted by zmfaras on

  • kakima Dec 06, 2012

    I should also add that you can see instructions and examples for coordinate conversions in section 13 of the manual:http://files.sharpusa.com/Downloads/ForH...

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kakima

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Press 8 2ndF , 6 2ndF ->r(theta) and see r on the display.
Press 2ndF <-,-> and see theta on the display.

Press 2ndF <-.-> to switch between r and theta.

Posted on Dec 06, 2012

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Casio FX-115ES Scientific Calculator


You have the calculator set to Polar notation. In Polar form -2.16 is 2.16 angle 180. To get out of this, press SHIFT MODE down-arrow 3 1 .

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Conversion of polar to rectangular form and vice versa


Conversion of polar form to rectangular:
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  • Enter complex number in polar form, e.g. r = 3, θ = 42°: 3 [SHFT] [(-)] 42 [=]
  • Switch to rectangular view: [SHFT] [2] [4]
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Converting between Forms When working with phasors it is often necessary to convert between rectangular and polar form. To convert from rectangular form to polar form: M = sqrt{A^2 + B^2} f =...


You can switch the display mode for complex numbers by pressing SHIFT MODE down 3 and picking one. This will display the current result in the selected mode.

You can also override the current display mode and specify the format. Add these keystrokes at the end of a calculation: SHIFT 2 then 3 for polar or 4 for rectangular.

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1 Answer

How to change polar form to rectangular form by calculator?


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Rec(r,t) converts a polar value of magnitude r and angle t in the current angular mode. The real value is assigned to X and the imaginary value is assigned to Y.

Use the Pol function (shift of the + key) for the reverse.

It's on page E-37 of the manual. If you've misplaced your manual, you can download a new one from http://www.casio.com/support/manuals

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1 Answer

Polar/rectangular


For a TI-86


Converting rectangular to polar
Press "2ND" and then "MORE" for the MODE screen
Highlight PolarC and press "ENTER"
Quit that screen.
Now ready to go.
A example of converting 5+j6
Enter "(5,6)" in the calculator and press "ENTER"
Should get (7.81024967591*angle*50.1944289077)


Converting polar to rectangular
Press "2ND" and then "MORE" for the MODE screen
Highlight RectC and press "ENTER"
Quit that screen.
Now ready to go.
A example of converting 5*angle*35
Enter "(5*angle*35)
Should get (4.09576022145,2.86788218176)


Note
*angle* is the symbol when you press "2ND" then ","


Note 2
To round the an decimal places press "2ND" then "MORE" for the MODE screen and on the line that says float, choose a number on that line for the number of decimal places you would like to have.

More can be found at
http://docs.google.com/gview?a=v&q=cache:nAC57BtC6IIJ:myweb.wit.edu/khabaria/ELEC195_files/ti86cplx.pdf+ti-86+convert+to+polar&hl=en&gl=us

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Hello - i have a casiofx250 calculator and i urgently need to convert from rectanular to polar - how do i do this ? raj


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Convert 12 - 42j to polar form (r ∠ q).
For CASIO calculator...
Keystrokes Display 12 12 rp.gif 12 42 42 plum.gif -42 eq.gif 43.68065934 (= r) xy.gif -74.0546041 (= θ) Therefore,
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