Using complex numbers in polar form on calculator?

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meee
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How can i write for example: 2cis(pi/3) in my ti83+ calculator?

how do i write cis?
 

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Go in on FORMAT, I think. It should be an option to change from Cartesian to polar coordinates there.
 
arildno said:
Go in on FORMAT, I think. It should be an option to change from Cartesian to polar coordinates there.
THAnks

i went into mode and found what ur saying

The layout is like r*e^(theta*i)
 

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