Question about Casio FX-115ES Scientific Calculator

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Can you show how to convert pola to rectangular o

Can you show how to convert polar to rectangular and rectangular to polar on a casio fx-991es

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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.

Posted on Nov 15, 2009

Testimonial: "thanx that was very helpful"

  • venkatesan.v.k Jun 06, 2012

    can u xplain more about rec conversion plzzzzzzzzzzz

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Casio fx 82 au plus convert polar to rectangular



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No calculator purchase should be solely based on such a trivial matter.
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Canverying polar to rectangular


Hello,

Here are exemples from the manual.

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