Question about Casio FX-115ES Scientific Calculator

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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 = arctan (B/A) To convert from polar to rectangular form: A is the part of the phasor along the real axis A = Mcos(f); B is the part of the phasor along the imaginary axis B = Msin(f); For example I have 20+j10 (rectangular form) and I need to change it to exponential form which would be a 22,3 x e^j26,5(degrees). Can I do this actions with my casio FX-115ES because other cheaper scientific calculators can, but I can't find this function in casio...

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kakima

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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

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1 Answer

I need to find how to insert polar phasor to convert to rectangular complex...


See captured image below. These examples are computed for angles measurement in radians and degrees in two dimensions


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Convert a polar equation to a rectangular equation?


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]

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Complex matrix


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.
Complex numbers: You can add, subtract, multiply and divide. You can convert a number from rectangular to polar forms and vice-versa; you can calculate the absolute value of a complex number, or a conjugate.
All the operations are done in the Mode CMPLX.

Feb 04, 2014 | Casio FX991MS Scientific 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


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

1 Answer

Have 100 Professioinal Legal forms software for Win 95/98 Need it to work win 7


Download or buy, 100 professional legal forms software for win7 than try to create a new program for converting win98 to win7. Take care and Have a nice day.

Sep 04, 2011 | Computers & Internet

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

2 Answers

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.

Dec 10, 2010 | Texas Instruments TI-86 Calculator

1 Answer

How to change from phasor/polar form to rectangular form?


Hit [Mode] then arrow down until you can choose Rect, then hit [Enter] then [2nd][Quit].

Aug 30, 2009 | Texas Instruments TI-84 Plus 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

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°

Feb 29, 2008 | Computers & Internet

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