Question about Sharp EL-531VB Calculator

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Sharp EL531WH Calculator

Most Calculators have an INV key or SHIFT key this one does not,how do I use the INV function on this model?

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I had the same problem... all you have to do is reset the calculator:

Type:
2ndF
ALPHA
It'll give you a choice Mem (0) or Reset (1)... press 1
Then it'll say Reset? (0)... press 0

And your calculator should be as good as new!

Posted on Jan 17, 2009

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We are accustomed to see that the inverse of "x" to be designated as a "1/x". If using Sharp EL 531WH the inverse function you will get when you press the yellow key "2ndF" and thereafter the "X^2" key. Good luck.

Posted on Nov 19, 2007

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Hi i have a peoblem with my calculator where it just stays with the numbers 0.000000000 And i dont know how to get ridd of it if anyone could please help with my Question ..... and maybe with a solution would really help because i have a massive exam tomorrow involving this calculator and i REALLY, REALLY NEED HELP thanks
Bianca

Posted on May 01, 2008

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There is a p at the side of the numbers how do you get rid of it

Posted on Dec 15, 2007

Reset.

Posted on Oct 21, 2008

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1 Answer

How to calculate inv logs on casio fx-82 au plus?


The inverse of log functions are power functions.
Inv of ln is exponential (e^x)
Inv of log in base 10 is 10^(x)
A function and its inverse usually share the same physical key. One function is accessed directly, the other by using the SHIFT or 2ndF key.

c98804b8-f45c-4c53-8a2f-85939a985fdd.png

Aug 18, 2014 | Casio Office Equipment & Supplies

1 Answer

How do I calculate inverse logs on casio fx-82au plus?


The inverse of log functions are power functions.
Inv of ln is exponential (e^x)
Inv of log in base 10 is 10^(x)
A function and its inverse usually share the same physical key. One function is accessed directly, the other by using the SHIFT or 2ndF key.

c98804b8-f45c-4c53-8a2f-85939a985fdd.png

Aug 18, 2014 | Casio Office Equipment & Supplies

1 Answer

Inverse log function


For the common antilog, use the 10^x function available as the shifted function of the log key. For example, to calculate the common antilog of 2, press SHIFT log 2 =

If you want the natural (base-e) antilog, use e^x available as the shifted function of the ln key.

Aug 05, 2013 | Casio fx-115ES Plus Scientific Calculator

1 Answer

Where is the shift key?


For the arctangent press INV then TAN. The INV key is two up and one left of the "7" key.

May 05, 2013 | Texas Instruments TI-68 Calculator

1 Answer

How do i get inv on my TI-84 Plus caculator


To get the inverse trigonometric functions press the 2nd key then the trig function key. If you'll look at the key legends above the SIN, COS, and TAN keys you'll see the standard math notations for their inverse function.

Apr 05, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

I can not find the arc key or the INV key


The INV key that you may find on some scientific calculators has, on the TI 83/84/ Plus calculators, an equivalent key marked [2nd].

On the TI83/84 Plus, each trigonometric function has a second marking [SIN^-1], [COS^-1] or [TAN^-1]. To calculate the inverses of trigonometric functions ( arc sine, arc cosine, arc tangent) you press [2nd] followed by the relevant trigonometric function key For example, [2nd] [SIN] displays sin^-1( on the command line.

Unfortunately the hyperbolic functions and their inverses are only accessed through the CATALOG. You press [2nd][0] to open the CATALOG. Then you scroll down the CATALOG list to reach cosh(, cosh^-(, sinh(, sinh^-1(, tanh(, or tanh^-1(.
To speed the search in the catalog, you use the ALPHA keyboard: To reach cosh(, press[PRGM] and you scroll down from there.

Feb 27, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Where is the shift button


The SHIFT key is called [2nd] on certain calculators and [SHIFT] on others and [2nd F] on Sharps. On some clones it may be [INV]. On TI calculators it is [2nd].

Aug 21, 2011 | Texas Instruments TI-36X Scientific...

1 Answer

There is no shift key or 2nd button on my TI-30 SLR how do i access the functions above function keys


Use the INV button to access the secondary functions show above each button. Not very intuitive, unfortunately!

Oct 02, 2010 | Texas Instruments Scientific Calculator

1 Answer

My casio s/c fx83ES does not have an INV button. Can you help me


I depends on what you mean by INV.
On some Chinese (AUREX, Staples) calculators the second function key is marked as INV. If that is the key you have in mind, on Casios it is the [SHIFT] key. On Sharps it is marked as [2ndF]

If you have in mind the multiplicative inverse (the reciprocal) then your calculator has such a key and it is marked [x^-1]. It the key represented on the following table at the intersection of the 2nd column and the 9th line (RECIPROCAL)

dc4ae01.jpg

If you are thinking about the inverse of functions, then know that each function shares the same physical key as its inverse. For example to access the arcsine (the function inverse of sine) you press the [SHIFT] key before [SIN]. On the calculator you will notice that near the [SIN] key and to its left there is [SIN^-1].

Aug 24, 2010 | Sharp EL-531VB Calculator

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