So in my new physics class when telling us how to deal with exponents on the calculators he said that when using the $\times10^x$ button you must use the unary minus operator which looks like a minus in brackets, I asked him why as all the time I've used it I've just ignored that button, he basically didn't give an answer. I'm curious if I should adopt this button or just continue on my way using the binary operator for everything... I looked in the manual and there doesn't seem to be a reference to it I could find, and the threads I looked at seemed to be focused on different calculators. Anyway, thanks :)
2026-03-27 02:39:43.1774579183
Casio fx-85gt plus scientific calculator, difference between binary and unary minus?
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They are the same thing as you say only in ALG mode. In RPN mode, instead, $-$ is used to effectively perform the subtraction of the previously entered operands, while $(-)$ is used to start entering a new negative number.