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TI-30xa Calculator Reciprocal Key

Does this calulator have a reciprocal key?

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Re: TI-30xa Calculator Reciprocal Key

It does. For instance, to get the reciprocal of 4, enter the following sequence: 4 [1/x] (this last key to be found third row down, second black key in). The decimal 0.25 will appear as the result. Convert this, if you want, to the fraction 1/4 by pressing the yellow function key [2nd], then {F<>D] located bottom, far left. Hope that's what you wanted!

Posted on Oct 04, 2007

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How do i find inverses numbers on my calculator

To calculate the inverse of a number one does as follows.
Non-scientific calculator: enter 1/ number the =
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Your question is not clear. To calculate the reciprocal of a number on display use the x^-1 or 1/x key, or just enter 1/ number.

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How do I find the reciprocal of a number

Enter the number and press the = sign.
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OR while the number is stored in Ans memory, enter 1 / Ans.
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Compute the sine and take its reciprocal.

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Find csc(-330°) to the nearest hundredth

The cosecant function does not have a specific key on any calculator because it can be easily calculated as the reciprocal of sine.
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[SIN] [(-)] 330 [)] [x^-1]

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