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Convert complex number in to polar form

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6 Suggested Answers

6ya6ya

6ya staff

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SOURCE:

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Posted on Jan 02, 2017

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k24674

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SOURCE: i am a casio fx-82MS user. i would like to know

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

I just realized that your question pertains to the FX82MS but is listed under the FX115ES (That is quite a difference) So my answer above does not concern you but I will leave it as is should anyone need the answer for the FX115ES.

Look at the enclosed screen capture for the FX82MS
k24674_1.jpg

Posted on Nov 16, 2010

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kakima

  • 102366 Answers

SOURCE: Converting between Forms When working with

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.

Posted on Nov 24, 2010

kakima

  • 102366 Answers

SOURCE: How do I convert between

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.

Posted on Dec 11, 2010

anahita_azar

  • 1 Answer

SOURCE: how can i enter a polar form number with angle to

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

Posted on Jan 14, 2011

kakima

  • 102366 Answers

SOURCE: how can i enter a polar form number with angle to

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.

Posted on Oct 26, 2011

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Put the calculator in complex Mode. Enter a complex number and press the key for the operation you want to perform, + for addition etc.

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To convert a complex number (not an equation) from rectangular coordinates to polar coordinates you do as follows
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Is it complex or matrix? You can have only one mode at a time.What kind of equations? The solve function uses real-valued equations.
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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

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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]
Conversion of rectangular to polar:
  • Switch to CMPLX mode: [MODE] [2]
  • Enter complex number in rectangular form, e.g. real part = 2, imag part = 3: 2 [+] 5 [ENG] [=]
  • Switch to polar view: [SHFT] [2] [3]

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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.

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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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4 Answers

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


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

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1 Answer

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


This is an example, plug in your problem.
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,
Complex number in rectangular form: 12 - 42j Same complex number in polar form: 43.7 ∠ -74°

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