Question about Casio FX9750GII Graphic Calculator

# How to assign variable the result of Pol or Rec operation

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• Casio Master

You can create two-element lists and store the results in them.
Create a list L1 with dimension 2

Calculate the Polar coordinates of the point (1,1);: just an example

The 1st element of List 1 is the radius, and the second element is the angle (in radians). Convert it to degrees if you wish. I won't do it.
Now you must extract each element and store it in the r, and theta variables, [ALPhow to assign variable the result of Pol or Rec op - lyqyj3hazrh1o+ddzh9acxrlx5qhpzwaaaaabjru5erkjggg==radius and store in r. Extract angle ahow to assign variable the result of Pol or Rec op - moz5bsraaaaaelftksuqmcc

To store the rectangular coordinates (x,y) do the same as above. Ihow to assign variable the result of Pol or Rec op - 6ac10501-a990-46dc-9576-11a3c4344df9.pngte: I inserted screen captures from my calculator but I am not sure if the Parser will accept them. If it does not I will create an image file and insert it as media.

Posted on Dec 30, 2013

• k24674 Dec 30, 2013

If the size of the image is too small for your comfort, press CTRL PLUS in your browser to increase the size of the Web page. To reset the page dimensions, press CTRL 0

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Posted on Jan 02, 2017

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

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

Posted on Jan 20, 2010

Here is a screen capture from the manual.

Posted on Jun 07, 2012

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## Related Questions:

### Problem with casio 991 es

In the COMP mode (press MODE 1 to get there), press
SHIFT [Pol] (-) . 1 7 SHIFT [,] (-) . 4 7 =

[Pol] is on the "+" key, [,] is on the ")" key.

Dec 04, 2012 | Casio FX991ES Scientific Calculator

### I need to convert the rectngular form to polar form , so how can i do that ?

In Run screen, Press OPTN, Press F6> repeatedly until you see the ANGL TAB. Press F6> again (once or twice). You will see the TAB Pol( and Rec(
To convert from Rectangular coordinates to Polar press POL(, type in the x and y coordinates then EXE
Example: F1: Pol(1,1) gives (1.314213562, 45)
F2: Rec(square root (2), 45) gives (1,1)
Make sure the angle unit is set to the one you need (degree or radian).

Apr 19, 2012 | Casio Algebra FX 2.0 Calculator

### How to change polar form to rectangular form by calculator?

Use the Rec function (shift of the - key).

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

May 28, 2010 | Casio FX-115ES Scientific Calculator

### How do you use the pol and rec

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

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

Jan 19, 2010 | Casio FX-115ES Scientific Calculator

### 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

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

### 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.

Rec(3, Pi) gives X=-3, Y=0
Hope it helps

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

### Php assigning value to variables and posting result, how can i assign a value to variable that will add the score evertytime the answer in my trivia page is correct, how can i make a formula for total...

You can use a session variable.
First use session_start().
Then you can crate a session variable by simply setting the appropriate member of the \$_SESSION or \$HTTP_SESSION_VARS (PHP < 4.1.0) array
Example.

session_start();

\$_SESSION["number"] = 10 ;

echo \$_SESSION["number"];

You can call it whenerver you want.
remmember to start session on all the pages where you use the variable.

Mar 17, 2009 | The PHP Group PHP

### Don't know how to actually record

To record you need to first assign your input to a track, then arm the track for recording, and then press play + record at the same time.

1. So you would patch you mixer's output into an input on your DP01 (say input A). You can run some audio to set the level with the input level knob (located next to input A on the front panel).

2. Then to assign that input to a track simply press and hold the 'input A' button and then press the 'rec' button of the track you with to record on. The 'rec' button will flash rapidly to indicate that the input is assigned to the track.

(To assign the input to a different track you have to clear the input assignment from the first track and assign the input to a new track. To clear an assignment press the input assign key, A in this case, and the track it's assigned to will flash its 'rec' button. Hold down the input assign key and then press the flashing 'rec' button. The button will stop flashing and the input can then be assigned to another track by following step 2 again).

3. Next, to arm the track for recording simply press the 'rec' button for that track. The 'rec' button with flash slowly.

4. To begin recording press play + record together in the transport section and the 'rec' light for the armed track will stop flashing and light steadily. Press 'stop' to end recording.

This should get you started. The operation of the DP01 is actually pretty intuitive once you've gone through it a couple of times (which is one of the real strengths of the unit). You'll be multitracking like an expert in no time.

Cheers,

bd.

Nov 20, 2008 | Tascam DP01 All-In-One Recording Package...

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