Question about Texas Instruments TI-85 Calculator

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The numbers are not visible on the screen and Im not able to set the calculator on the degree mode .

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First try this- press the 2nd key and press and hold the up arrow key or the down arrow on the right side of the calculator a for a few seconds and see if the curser appears - if it does - than problem solved . to set the calculator to degree mode press the MODE button and find Radain, degree and hightlight it by moving the curser over it and press enter than exit it now set to degree and press sin(30 and enter and see if you get .5 as a result it it does than problem solved

Posted on Oct 12, 2009

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After you have enter the inverse of sin into the calculator, how do you get the degree of that angle?


Make sure the calculator is set to degrees. Press MODE and ensure that "DEGREE" is highlighted on the third line. Press 2ND QUIT to get out of the mode screen.

To calculate the inverse sine of 42/57, press
2ND SIN^-1 4 2 / 5 7 ENTER

The arcsine of 42/57 is about 47.46 degrees.

Apr 15, 2014 | Texas Instruments TI-84 Plus Silver...

1 Answer

What does DEG on screen of TI-30Xa mean


It means your calculator is set to degrees mode. Angles can be measured using three different units: degrees (360 degrees in a circle), radians (2pi radians in a circle), or grads (400 grads in a circle).

Pressing the DRG key cycles through the three modes. No matter which mode you select, one of the annunciators will appear on the screen to indicate the current mode.

Dec 07, 2013 | Texas Instruments TI-30XA Calculator

1 Answer

Sin(30)=


The sine of 30 radians is about -0.988 while the sine of 30 degrees is 0.5 .


To change the angular setting, press MODE, down-arrow to the "Radian Degree" line, highlight Degree, press ENTER, then 2nd QUIT to exit the mode screen.

Jul 26, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Im trying to divide 12 by sin 60 and when i type it in my calculator i get -39.36870689 which is not the right answer. please help. Thanks !


That is the correct answer if the angle is 60 radians. If you want to work in degrees, press MODE to bring up the mode screen. Use the arrow keys to highlight "Degree", press ENTER, then 2nd QUIT to exit the mode screen. Now 12 divided by the sine of 60 degrees will give about 13.9.

Aug 22, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When i type in a decimal and then hit math and try to convert into a fraction, my calculator still shows the decimal as the answer. im pretty sure im doing it right but i dont know what is wrong. is there...


Yes, there is a feature or, setting in the mode that will stop you from converting fractions. Go to the mode screen by pressing the [MODE] key. [Down arrow] 9 times and, highlight and select the n/d by pressing the [ENTER] key. Next, [Down arrow] 1 time and, highlight and select Frac by pressing [ENTER] key. Just escape or, quit out of the mode screen and, the calculator should now be set up to convert your fractions. Just remember to go back and, change the last setting you made when you go back to dealing with decimal numbers.

Jan 04, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do i calculate cos 30°24'


You must first set angle unit to degree.
Press the [MODE] key a certain number of times until you get to a screen that displays Deg Rad Grad. Press number key 1 to select degree.
Once this is done you can calculate trigonometric functions. To enter angles in DMS you have a key marked with degree symbol, a quotation mark, and a double quotation mark. In what follows that key is represented as DMS.

To calculate cos(30 deg 24')
[COS] 30 [DMS] 24[DMS] [=]

If you get an error message you will have to enter the seconds even if the value is 0
[COS] 30 [DMS] 24[DMS] 0 [DMS] [=]

Sep 11, 2010 | Casio FX-300MS Calculator

1 Answer

Cant get it into degree mode for oct mode


If you want to use degrees (to have a DEG appear on top of the screen) you must exit all base-N modes (bin, oct, hex, or pent if available) and set the calculator numeration mode to DEC, decimal (the usual computational moode). The other modes are appropriate for handling certain types of calculations with integer (whole) numbers.

Jan 29, 2010 | Office Equipment & Supplies

1 Answer

Ho can i get deg off the top of mt calculator i think it is making my answers wrong not all but some of them when i try to check my work


Hi,
Maybe some of your answers are wrong, but I can assure you that it has nothing to do with the poor deg indicator sitting on the top of your screen.
The indicator is there to remind you that the angle unit is set to degree, meaning any number you feed a trigonometric function is considered to be in degrees, and that any value calculated by an inverse trigonometric function is in degrees.

If you prefer to work in radians or in grads, all you have to do is change the settings of the calculator.
To change angle unit:
Press [SHIFT][MODE] and choose
  1. 3:Deg for angle unit in degrees. Screen shows D
  2. 4: Rad for angle unit in radians. Screen shows R
  3. 5:Grad for angle units in grads. Screen shows G
The calculator crunches number according to your specifications. It obeys your orders. Only YOU know what you are supposed to do.

I suggest you look at the manual that shipped with your calculator. Lookk for exemples of the calculation you want. Make a note of the exemple numbers and check the appendix for the particular exemple. The appendix will show you all the key strokes.

Hope it helps.
Thank you for using FixYa.

Nov 21, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

MS-80TV AUTOMATICALLY ROUNDS UP TO 1 DECIMAL DIGIT


The [MODE] key can be used to select the modes described below.
Important! The following is a general explanation of Scientific Calculator modes. Note that your calculator may not include all of the modes described here.
1) Calculation Modes
Before performing a calculation, you first need to select the appropriate calculation mode.
COMP: Basic arithmetric calculations
(arithmetic operations, trigonometric functions, etc.)
COMPLEX: Complex number calculations
SD: Single-variable statistical calculations
(sample standard deviation, etc.)
LR or REG: Paired-variable statistical calculations
(linear regression statistical calculations, etc.)
BASE or BASE-n: Binary, octal, decimal, hexadecimal number system calculations
MAT: Matrix calculations (determinants, etc.)
VCT: Vector calculations
EQU: nth degree equations, simultaneous equations
2) Display Settings
Use these settings to control how calculation results are displayed.
Note that changing the Fix and Sci settings does not affect internal calculation results.
Norm: Exponential display format and cancels the currently configured Fix and Sci settings.
Fix: Specifies a fixed number of digits to the right of the decimal place.
Sci: Specifies a fixed number of significant digits.
3) Angle Unit Setting
(90°=?/2 radians=100 grads)
Deg: Degrees
Rad: Radians
Gra: Grads
4) Engineering Mode
Use this mode when you want to input and perform calculations using engineering symbols.

Please rate this response . .

Sep 08, 2009 | Casio MS-80TV Scientific Calculator

1 Answer

I need to change to mode to degress


Under the screen you can see atable of values at the right of which is written MODE followed by a small arrow.

If you want to set the degree as angle unit, you press the MODE key followed by 4 (as seen in the table I was referring to).
Similarly, if you want to set RAD as the angle unit you press MODE then 5; and MODE then 6 for GRAD.

However if you just want to convert a number displayed on the screen in RADs or GRADs into DEGs , you press SHIFT then MODE then 4. your number should be converted from the unit it was expressed in into degrees.

Same thing if you want to convert into RADs: SHIFT then MODE then 5.

Hope it helps.

Aug 02, 2009 | Casio FX-115ES Scientific Calculator

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