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I cant find how to get this calculator into degrees mode?

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  • kakima Sep 06, 2010

    What make and model?



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Having received no response to my query regarding make and model in over a month, I assume this is no longer a problem.

Posted on Oct 12, 2010


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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

Calculation errors

The sine of 90 radians is about 0.89, as your calculator shows. If you want the sine of 90 degrees, change the angular mode to degrees by pressing MODE, use the cursor keys to highlight "Degree" on the third line, press ENTER then 2nd QUIT.
You're calculating (8^1)/3 which is 2.6666667 . If you want the third root of 8, press 8 ^ ( 1 / 3 ) ENTER .

Apr 13, 2012 | Texas Instruments TI-83 Plus Calculator

1 Answer

My TI-83 plus say Cos(180) =-.598.. What is wrong?

Nothing's wrong with your calculator. The cosine of 180 radians is -.598...

If you want the cosine of 180 degrees, set the calculator's angle mode to degrees by pressing the MODE button, moving down to the third line, and selecting "Degree".

Oct 29, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

My new calculator is giving incorrect answers to sin, cos, and tan problems. Is there a setting I need to switch to? For example, sin -1 (.423) = .4367 not 25 degrees

Your calculator is set to radians, which is the norm for higher mathematics. To set it to degrees, press MODE to bring up the mode editor, press down-arrow twice to get the the angular mode, press right-arrow to highlight "DEGREE," and press ENTER. Press 2ND [QUIT] to exit the mode editor.

Sep 15, 2010 | Texas Instruments TI-84 Plus 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

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

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

Oct 06, 2009 | Texas Instruments TI-85 Calculator

1 Answer

How do i enter 35 degrees 20 minutes into my TI-81 calculator

As far as I know, the TI-81 doesn't have a degree-minute-second entry mode the later TIs have. But to answer your question, you can always do it as:
 35 + 20 / 60
followed by ENTER if needed.

If you're in Radian mode instead of Degree mode, you'd have to follow up with MATH 6 to specify degrees instead of radians.

Sep 29, 2009 | Texas Instruments TI-81 Calculator

1 Answer

Using Cos/Sin

Calculator turns on in "degree" mode. Just enter angle in degrees then press "SIN", "COS" "TAN".

Most people work in degrees but you can switch to Rads or Grads to Degrees modes by pressing "DRG" repeatedly with zero displayed, Current angular mode will show in display.

Get a new instruction booklet by download from TI website

Oct 24, 2008 | Texas Instruments TI-30XA Calculator

1 Answer

Degrees to radians

Press "2ND" "MODE" to enter the mode screen. Press down-arrow twice to get to the angular mode. Press right-arrow or left-arrow to highlight the desired angular mode, then press "ENTER" to select it. Exit the mode screen by pressing "2ND" "QUIT"

Oct 15, 2007 | Texas Instruments TI-86 Calculator

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