How do I do subscripts here?? -.-

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As in, in the calculator itself...

._. I'm trying to answer specific questions for a test, but...

I need to use the formula:

a_n=(a₁)r^n-1

And... I don't know how to use subscripts in the calculator. So mind helping me out??

Guest Feb 2, 2017

Guest · Answer 1 · 2017-02-03T03:06:42

...

So nobody bothers answering my question?

Haaahhh, thanks a lot. :/