Question about Office Equipment & Supplies

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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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Posted on Jan 02, 2017

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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.

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...

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.

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

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 .

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

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".

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

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

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

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

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.

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

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

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

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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