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How can i enter a polar form number with angle to convert into a rect form

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How can i enter a polar form number with angle to convert into a complex numbe(a+bi)

Posted on Jan 14, 2011

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Hello, atm I have this solution:

optn->angl->pol()

222+333i -> pol(222,333) = answer + degrees

angl->rec()

10ohm 45degrees -> rec(10,45) = answer + i number

Hope this helps.

Posted on Jan 24, 2012

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For algebra fx 2 writing complex numbers in polar form is so easy ... remember x+jy = r*e(j*theta) for example if we have r=5 , theta = 10 degree write ---> 5e(10*pi*j/180) multiply by (pi/180) to convert from degree to radian

Posted on Dec 02, 2012

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How can i enter a polar form number with angle to convert into a complex numbe(a+bi)

Posted on May 12, 2011

  • shenningfei May 17, 2011

    same question need to ask

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2 Answers

How do I add or subtract numbers in polar form or rectengular form


If one or both numbers are in polar form, convert it/them to rectangular. Once both numbers are in rectangular form, simply add the two components separately: Add the two x components together, and add the two y components together.

If you're asking how to do this on a particular calculator, please specify the make and model.

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Polar to rectangular conversion working incorrectly


At first, Rect and Polar are a display-format instructions, not a conversion functions. Polar instruction displays complex value in rectangular form a + bi. The complex value can have any complex form. However, an r*exp(i*theta) causes an eror in Degree angle mode according to the TI avowal. See captured images below


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Sep 06, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

How can i enter a polar form number with angle to convert into a complex numbe(a+bi)


Set the calculator to polar form, then simply enter the radius, press the comma key, then enter the angle (in whatever angular mode you've specified).
Full details are in Chapter 2 of the manual you can download from here.

Oct 25, 2011 | Office Equipment & Supplies

1 Answer

How to get angle value by pressing what key in rect to polar conversion


Press Shift, then press + key, input x coordinate, then press Shift and ) key and finally enter y coordinate and press =. You should now get solution (in solution r is radius and theta is angle).

Aug 13, 2011 | Casio FX-115ES Scientific Calculator

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How do I convert between the rectangular and polar form of a number with imaginary values? i.e. I want to take the number a+bi and convert it to polar D<(angle) and vice versa.


Use the >Rec and >Pol commands. They're in the Complex number menu, accessible through 2nd [CPLX] MORE.

[CPLX] is the shifted function of the 9 key.

Dec 10, 2010 | Texas Instruments TI-86 Calculator

1 Answer

Where is the i button on the TI 86?


There isn't one. If you're entering a complex number in rectangular form, separate the real and imaginary parts with a comma (left of the 4). If you're entering a complex number in polar form, separate the magnitude and the angle with the angle symbol (2nd comma).

Sep 14, 2010 | Texas Instruments TI-86 Calculator

2 Answers

How to convert polar to rectangular form


Hello,
Press [MODE] and select [1:COMP]
Press [SHIFT][MODE] and select [3:Deg]. You can also use rad if the angle you are given is in radians.
To start the conversion
Press [SHIFT][-] (Rec) screen displays Rec(
Key in the radius r , ex: 3 screen displays Rec(3
Press [SHIFT][)] (,) to enter comma separator Rec(3,
Key in the angle in degrees, ex: 57.3; screen displays Rec(3,57.3
Press ) to close parentheses; screen displays Rec(3, 57.3)
Press [=]
Screen displays
Rec(3, 57.3)
X=1.620720961
Y=2.524532346

X and Y are the values of the coordinates.

If angle is in radians, [SHIFT] [MODE][4:Rad] the command
Rec(3, Pi) gives X=-3, Y=0
Hope it helps

Oct 18, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

How to change from phasor/polar form to rectangular form?


Hit [Mode] then arrow down until you can choose Rect, then hit [Enter] then [2nd][Quit].

Aug 30, 2009 | Texas Instruments TI-84 Plus Calculator

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

Dec 02, 2008 | Texas Instruments TI-86 Calculator

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