Does this calulator have a reciprocal key?

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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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Posted on Jan 02, 2017

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Use the key x-1.

Example: reciprocal of 5: Press 5, then key x-1, then =

Example: reciprocal of 5: Press 5, then key x-1, then =

Oct 12, 2017 | The Office Equipment & Supplies

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.

Jul 01, 2014 | Texas Instruments TI-30XA Calculator

Enter the number and press the = sign.

With the number displayed, press the power key (marked as [X^y], [Y^x] or [^]) followed by exponent -1.

OR while the number is stored in Ans memory, enter 1 / Ans.

Some calculators have a special key for the reciprocal. It is marked as [x^-1]. By pressing the reciprocal key while number is displayed, you calculate its reciprocal.

With the number displayed, press the power key (marked as [X^y], [Y^x] or [^]) followed by exponent -1.

OR while the number is stored in Ans memory, enter 1 / Ans.

Some calculators have a special key for the reciprocal. It is marked as [x^-1]. By pressing the reciprocal key while number is displayed, you calculate its reciprocal.

Feb 05, 2014 | Sharp el-531x scientific calculator

Use the 1/x key or the general power key x^-1.

By hand 0.6=3/5

The reciprocal of 3/5 is 5/3

By hand 0.6=3/5

The reciprocal of 3/5 is 5/3

Jan 29, 2014 | Office Equipment & Supplies

It's the second function of the "2" key, marked "x-superscript-negative-one".

May 07, 2013 | Sharp EL-520WBBK Calculator

[H+]=10^(-8.19). The - sign is the change sign key. The result is 1.2589x10^(-9)

Dec 03, 2011 | Texas Instruments TI-30XA Calculator

If you mean "1-over-x" then it's the key marked "x-superscript-negative-one" just right and below the big round cursor pad. If you mean "reciprocal sign" more commonly referred to as "negative" or "change-sign" then it's the key marked "(-)" two keys above the "7" key.

Aug 09, 2011 | Casio fx-300ES Calculator

The reciprocal key (1/X) is the key labelled as X to the power minus one: X^-1

or:

____

' -1 '

'X '

or:

____

' -1 '

'X '

Jul 19, 2011 | Casio FX-115ES Scientific Calculator

There is a key on the left column of keys, below the MATH key and above the x^2 key. It is marked with an x raised to power of -1.

It computes the reciprocal of the number displayed.

It computes the reciprocal of the number displayed.

Aug 25, 2010 | Texas Instruments TI-84 Plus Calculator

The keystrokes you would use to solve the problem is as follows:

(I will use the / to indicate the division symbol)

.5

/

6

X

[( key

12

X

6

)] key

X

1

/

2

X

[( key

6

X

14)] key

=

(I will use the / to indicate the division symbol)

.5

/

6

X

[( key

12

X

6

)] key

X

1

/

2

X

[( key

6

X

14)] key

=

Jun 08, 2010 | Casio FX-250HC Calculator

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