Casio FX-115ES Scientific Calculator Logo
Posted on Nov 24, 2010
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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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  • Casio Master 102,366 Answers
  • Posted on Nov 24, 2010
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.

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