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Rectangular to polar on a sharp - Sharp EL-531VB Calculator

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How to covert from polar to Rectangular


Let use an example to convert from polar to rectangular. There may be other ways to do it on this particular calculator, but this should work on all calculators.

Let's use 20 degrees and 5 units for our polar.

Sin 20 degrees = y/5, cross multiplying we get y = 5 sin 20 degrees.

Similarly, Cos 20 degrees = x/5. Cross multiplying we get x = 5 cos 20 degrees.

Thus, I get (1.71, 4.70) as the rectangular coordinates of the point.

Good luck.

Paul

Nov 06, 2015 | Canon F-603 Calculator

1 Answer

How to add polar and rectangular form on calculator?


You cannot add rectangular coordinates to polar coordinates. You can only add rectangular coordinates to other rectangular coordinates. For polar coordinates you must use some specific trigonometric formulas.

Sep 23, 2014 | Casio Office Equipment & Supplies

1 Answer

I need to use the theta function


if by theta function you mean the change to polar coordinates function, type in your x and y coordinate for example (3; 4) to do this press 3 (x,y) key 4 then 2nd F (the orange button) and then 8 (the theta function) and then r will be 5 and theta will be 53.13010235. If you have the polar coordinates and want to change to rectangular coordinates type in the hypotenuse (x,y) button and then the angle and then press 2nd F and 9 and it will give you the x and y coordinates.

If you have any more questions there is a dedicated website http://www.mathsatsharp.co.za/ where you can leave questions about the SHARP calculators on the student page and they will be answered within a week maximum.

Sep 08, 2013 | Sharp EL-506 Calculator

1 Answer

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


9_6_2012_10_12_22_pm.jpg


9_6_2012_10_13_29_pm.jpg


9_6_2012_10_17_20_pm.jpg


9_6_2012_10_18_09_pm.jpg

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

1 Answer

Conversion of polar to rectangular form and vice versa


Conversion of polar form to rectangular:
  • Switch to CMPLX mode: [MODE] [2]
  • 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]

Jan 12, 2011 | Casio FX991ES Scientific Calculator

1 Answer

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.

Nov 24, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

What calculator would you recommend for polar and rectangular formula's?


Are you serious?
No calculator purchase should be solely based on such a trivial matter.
But if you are looking for a very good scientific calculator, I would suggest the new Write View EL-W506/W516/W546 calculators by Sharp, or the FX-115ES/991ES Natural Display by Casio.

With these calculators you can see what you enter displayed as in textbooks. Naturally, they all do coordinates conversions from Polar to Rectangular and from Rectangular to Polar.

Jun 17, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Can you show how to convert pola to rectangular o


Hello,
To avoid errors make sure that the angle unit is THE ONE required by your problem. To verify or to change the angle unit press [SIFT][MODE] and select [3: Deg] for degrees, [4:Rad] for radians, or [5:Grad] for grads.

Convert from rectangular to polar

[SHIFT][+] (Pol) . Screen displays Pol(
You enter the X-coordinate, and the Y coordinate separated by a comma, then you close the parenthesis and press [=].

Exemple: Polar coordinate of the point (1,1)
Pol( 1, 1) gives
r=1.414213562 (square root of 2)
θ=45

Here is how you enter it
Press [SHIFT][MODE][2:LineIO]
[SHIFT][POL] 1 [SHIF] [,] 1 [)] [=]

The screen displays
Pol(1,1)
r= 1.414213562
θ= 45


Convert from polar to rectangular coordinates

Rec ( radius, angle) =

Exemple: Recatngular coordinates of (r=3, θ=60°)
[SHIFT][Rec] 3 [SHIFT][,] 60 [ ) ] [=]
The screen displays
Rec(3,60)
X= 1.5
Y= 2.598076211


Hope it helps.

Nov 14, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

How do i convert from polar to rectangular?


Hello,
Here is an exemple from the manual. Hope it helps2cc3425.jpg

Oct 10, 2009 | Sharp EL-531VB 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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