Question about Casio FX-115ES Scientific Calculator

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Posted on Jan 02, 2017

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SOURCE: How do you switch between degree and radian mode

Press SHIFT MODE to access (SETUP)

Press 3:deg for degree OR

press 4:Rad for radian.

Posted on Apr 05, 2010

SOURCE: Casio FX-115 ES: SIN,COS,TAN (answer isnt correct)

Hello,

It may be due to the angle unit used. You can have angles in
degrees, in radians, and in grads. You should set the default angle
unit to waht you problem calls for.

To set degree as default SHIFT MODE 3

To set radians as default SHIFT MODE 4

To set grads as default SHIFT MODE 5

The
values of angles calculated by the inverse trigonometric functions are
in the default unit that is set . This may be the source of the wrong
answers that you get.

Hope it helps.

Posted on Sep 17, 2009

Testimonial: *"thanks alot!! "*

SOURCE: sin, cos, or tan, on casio wrong answer. another cac right answer

Hello,

It may be due to the angle unit used. You can have angles in degrees, in radians, and in grads. You should set the default angle unit to waht you problem calls for.

To set degree as default SHIFT MODE 3

To set radians as default SHIFT MODE 4

To set grads as default SHIFT MODE 5

The values of angles calculated by the inverse trigonometric functions are in the default unit that is set . This may be the source of the wrong answers that you get.

Hope it helps.

Posted on Sep 17, 2009

SOURCE: Hi, I have a Casio calculator fx-991MS giving me wrong answers!

Hello,

I am only looking for a plausible cause of the error, because I do not believe your calculator can make such a mistake. I think you **accidentally activated the Exponential display format** and did not pay attention to the small, raised -03 that came at the end of the number displayed. It is a common mistake for those not very familiar with Scientific or exponential notation.

Let us try to reset your calculator to the normal (floating point) format.

Press the [MODE] key a number of times until you reach a screen that has FIX, SCI, NORM and under each one a number (FIX 1, SCI 2), Norm 3). To have the number of decimal place you gave in your result (4 decimal digits), you press 1 to select Fix then 4.

Be aware that scientific calculators usually stop displaying results in floating point format ( 0.0000045 ) if the number is smaller then 0.001. So basically, 0.00099 will be displayed as 9.90-04, -04 being raised above the level, and in smaller size.

Hope it helps.

Posted on Oct 02, 2009

Testimonial: *"Thanks so much, its working now:) I thought I was going to have to buy a new calculator!"*

SOURCE: how the heck do you change a casio fx-9750II from radian to degre

- With calculator turned on, press [MENU] if you do not see icons.
- Use the navigation arrows to highlight [RUN-MAT] icon or press 1.
- In the Run-Mat screen press [SHIFT][MENU] to enter the (SETUP).
- Press the DownArrow 5 times to highlight the ANGLE option.
- Press [F1:Deg] to select degree.
- Press [SHIFT][EXIT] to (QUIT) the SetUp screen.
- Do your geometry ( I would say trigonometry).

Posted on Apr 08, 2010

I'm guessing that your calculator is set to radians or gradians (or degrees, if you are looking for a result in radians or gradians).

Try changing this and hopefully it will work.

Otherwise, post again!

Good luck,

Paul

Try changing this and hopefully it will work.

Otherwise, post again!

Good luck,

Paul

Jul 25, 2016 | Casio Office Equipment & Supplies

Th formula is PI *dia.

Pi is available on this model using Shift key + X10 key at middle bottom.

So enter Pi then key x (multiply) then enter diameter then = key.

http://support.casio.com/storage/en/manual/pdf/EN/004/fx-115_991ES_PLUS_C_EN.pdf

Pi is available on this model using Shift key + X10 key at middle bottom.

So enter Pi then key x (multiply) then enter diameter then = key.

http://support.casio.com/storage/en/manual/pdf/EN/004/fx-115_991ES_PLUS_C_EN.pdf

Nov 10, 2014 | Office Equipment & Supplies

Sorry, It is not possible to solve equations on the Casio FX-82 ms. Try the Casio FX-115 ES/ FX-115 ES Plus, FX-991ES/ FX-881 ES Plus C.

Oct 29, 2013 | Casio FX82MS Scientific Calculator

Your calculator's angle unit is set to grads. In that unit, the value of cosine 60 is correct. You might want to change the unit to degree to get a more orthodox result.

Press SHIFT MODE to access (Setup) and select degree or radians as angle units.

As to a `number that could be found on the unit circle``, I admit I do not understand what you mean because the sine is the measure of a segment that lies along the y-axis and not on the unit circle. If you care to clarify what you want, I may be able to help.

Press SHIFT MODE to access (Setup) and select degree or radians as angle units.

As to a `number that could be found on the unit circle``, I admit I do not understand what you mean because the sine is the measure of a segment that lies along the y-axis and not on the unit circle. If you care to clarify what you want, I may be able to help.

Jun 04, 2011 | Casio FX-115ES Scientific Calculator

Your calculator is set to degrees. To change to radians, press SHIFT MODe and select Rad.

Jan 30, 2011 | Casio FX-300MS Calculator

I don't see how the value of pi may be incorrect. It is given by the calculator with a certain precision, dependent on the number of decimal digits you accept in the display.

As to the trigonometric functions, the values returned depend on the angle unit you are using. Have you changed the angle unit from degree to radian?

Press the [DRG] key to cycle through the 3 angle unit until you find the one you are familiar with.

As to the trigonometric functions, the values returned depend on the angle unit you are using. Have you changed the angle unit from degree to radian?

Press the [DRG] key to cycle through the 3 angle unit until you find the one you are familiar with.

Aug 13, 2010 | Casio FX-300MS Calculator

Press SHIFT MODE to access (SETUP)

Press 3:deg for degree OR

press 4:Rad for radian.

Press 3:deg for degree OR

press 4:Rad for radian.

Apr 02, 2010 | Casio FX-115ES Scientific Calculator

Hello,

It may be due to the angle unit used. You can have angles in degrees, in radians, and in grads. You should set the default angle unit to waht you problem calls for.

To set degree as default SHIFT MODE 3

To set radians as default SHIFT MODE 4

To set grads as default SHIFT MODE 5

The values of angles calculated by the inverse trigonometric functions are in the default unit that is set . This may be the source of the wrong answers that you get.

Hope it helps.

It may be due to the angle unit used. You can have angles in degrees, in radians, and in grads. You should set the default angle unit to waht you problem calls for.

To set degree as default SHIFT MODE 3

To set radians as default SHIFT MODE 4

To set grads as default SHIFT MODE 5

The values of angles calculated by the inverse trigonometric functions are in the default unit that is set . This may be the source of the wrong answers that you get.

Hope it helps.

Sep 16, 2009 | Casio FX-115ES Scientific Calculator

It may be due to the angle unit used. You can have angles in degrees, in radians, and in grads. You should set the default angle unit to waht you problem calls for.

To set degree as default SHIFT MODE 3

To set radians as default SHIFT MODE 4

To set grads as default SHIFT MODE 5

The values of angles calculated by the inverse trigonometric functions are in the default unit that is set . This may be the source of the wrong answers that you get.

Hope it helps.

Sep 16, 2009 | Casio FX-115ES Scientific Calculator

Unless I am failing to understand your problem, just combine like terms to get:

9x^2+2x+4 and then enter those coefficients into the quadratic solver.

That will get you the two answers -- both of them will be complex.

If you wanted to turn those two answers into factors (complex) of the original equation simply

change the signs on each and put an x in front.

Of course, the quadratic formula would also work.

CG

9x^2+2x+4 and then enter those coefficients into the quadratic solver.

That will get you the two answers -- both of them will be complex.

If you wanted to turn those two answers into factors (complex) of the original equation simply

change the signs on each and put an x in front.

Of course, the quadratic formula would also work.

CG

Apr 17, 2009 | Casio FX-115ES Scientific Calculator

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