Question about Casio FX-115ES Scientific Calculator

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

Screen displays

Y=2.524532346

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

Posted on Nov 16, 2010

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Posted on Jan 02, 2017

https://www.youtube.com/watch?v=7Lvqp_E54Y0

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Internal Rate of Return (IRR) Calculation Using Casio MS Scientific Calculator ... +Nurul Amin i have a casio fx-82ms can ialso calculate IRR?

https://www.youtube.com/watch?v=Xs7rq4JI3mg

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Discount calculations on Casio fx-991ES and fx-82MS calculators .... Internal Rate of Return (IRR) Calculation Using Casio MS Scientific ...

Jan 10, 2016 | Casio FX82MS Scientific Calculator

To convert a complex number (not an equation) from rectangular coordinates to polar coordinates you do as follows

2+3[OPTN][ F3 (CLPX)][F1(i)][F6 >][F3> r ,theta][EXE]

2+3[OPTN][ F3 (CLPX)][F1(i)][F6 >][F3> r ,theta][EXE]

Nov 08, 2014 | Casio CFX-9850G Plus Calculator

The Pol function converts coordinates from rectangular to polar. Pol(x,y) converts the rectangular coordinates (x,y) to polar coordinates (r, theta).

For examples and instructions, see page E-37 of the manual and example #036 in the Appendix.

For examples and instructions, see page E-37 of the manual and example #036 in the Appendix.

Dec 07, 2012 | Casio FX-115ES Scientific Calculator

Here is a screen capture from the manual.

Jun 06, 2012 | Casio FX-82MS Scientific Calculator

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).

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

To convert from Polar to Rectangular

PRESS [SHIFT and -Rec] then enter the coordinate and angle

e.g. [SHIFT and -Recl]

Rec(15,0)=

r=15

0=0

Jun 18, 2011 | Casio FX-115ES Scientific Calculator

Examples #036 and #037 in the Appendix illustrate how to convert between polar and rectangular coordinates. If you need the appendix and/or the manual, you can download them from

http://support.casio.com/manualfile.php?rgn=1&cid=004001004

http://support.casio.com/manualfile.php?rgn=1&cid=004001004

May 22, 2011 | Casio FX-115ES Scientific Calculator

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.

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

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

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

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.

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.

[SHIFT][+] (Pol) . Screen displays

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

θ= 45

Rec ( radius, angle) =

Exemple: Recatngular coordinates of (r=3, θ=60°)

The screen displays

X= 1.5

Y= 2.598076211

Hope it helps.

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

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