Trusty 32SII dying - should I get the 35S or 50g?

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(01-11-2017 02:22 PM)Eddie W. Shore Wrote:  ..snip.. Plus, the 50g has the Rect/Polar conversions out of the box (you'll have to program the conversions on the 35S). ..snip..

In my HP35s the conversion works just fine (if we are talking about complex number here), but it is only a display formatting. It also seems to be perfectly happy to accept complex numbers in both polar and rectangular (use θ or i keys ) returning them to the stack in the format you have chosen in display settings. The calculator itself seems to storage them as rectangular form, if I'm not terribly mistaken.