Question about Texas Instruments TI-84 Plus Calculator

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Hi,

You have two ways to enter the (") on the calculator.

- Press [ALPHA] [+] (") [ENTER]
- Use the catalog [2nd][ 0]. The list of commands opens.
**Scroll up**to reach the end of the lis, and continue to scroll until you reach it. It is the 4th from the bottom.

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Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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Enter the degrees, a decimal point, then two digits for the minutes followed by two digits for the seconds (then followed by any fractional seconds). You can then convert to decimal degrees with the HMS-> function.

For example, to enter 1 degree 36 minutes 24 seconds, press 1 . 3 6 2 4 ALPHA ALPHA "H" "M" "S" right-shift "0" ENTER

For example, to enter 1 degree 36 minutes 24 seconds, press 1 . 3 6 2 4 ALPHA ALPHA "H" "M" "S" right-shift "0" ENTER

Jun 30, 2013 | HP 50g Graphic Calculator

Use the DMS key marked degree, apostrophe, double quotation mark.

Lets us call it [DMS]

To enter an angle in degree minutes seconds or hour, minutes, seconds, type in the number of degrees, press the [DMS] key, enter the number of seconds, press the [DMS] key, enter the number of seconds then the [DMS] key. Press = the calculator displays the value in DMS units. If you press the DMS key again the number displayed is converted to decimal degrees.

Example:enter 12 degrees, 15 minutes, and 25 seconds

12 [DMS]15[DMS]25[DMS] =

Calculator displays 12 deg 15'25"

Press the DMS key again and you see 12.2569444

Lets us call it [DMS]

To enter an angle in degree minutes seconds or hour, minutes, seconds, type in the number of degrees, press the [DMS] key, enter the number of seconds, press the [DMS] key, enter the number of seconds then the [DMS] key. Press = the calculator displays the value in DMS units. If you press the DMS key again the number displayed is converted to decimal degrees.

Example:enter 12 degrees, 15 minutes, and 25 seconds

12 [DMS]15[DMS]25[DMS] =

Calculator displays 12 deg 15'25"

Press the DMS key again and you see 12.2569444

Feb 19, 2013 | Casio FX-82MS Scientific Calculator

To access the DMS function, turn calculator ON, go to the RUN screen. Press OPTN F6>, F5:ANGL You will see a csreen as on the capture.

To enter an ganle value in DMS, enter the degrees, press F1, enter the minutes, press F1, enter the seconds and press EXE. the value may be displayed in DD Decimal degrees. To conver press F4. To convert back press F5 (notice the backArrow on the TAB).

To enter an ganle value in DMS, enter the degrees, press F1, enter the minutes, press F1, enter the seconds and press EXE. the value may be displayed in DD Decimal degrees. To conver press F4. To convert back press F5 (notice the backArrow on the TAB).

Oct 30, 2011 | Casio FX-9750GPlus Calculator

Enter it as DD.MMSS and then press 2nd [DMS-DD] to convert it to decimal for further calculations.

For example, to enter 21 degrees 34 minutes 45 seconds, enter 21.3445 then press 2nd [DMS-DD].

For example, to enter 21 degrees 34 minutes 45 seconds, enter 21.3445 then press 2nd [DMS-DD].

May 12, 2011 | Texas Instruments TI-30XA Calculator

Your key sequence is calculating 5*5, which is 25. If you press * again, you will get 50, which is 2*5*5. The second ENTER lifts the 5 into Y, leaving two copies of 5 on the stack, which get multiplied together.

To calculate 2*5, press 2 ENTER 5 * . Note only one ENTER, used to separate numbers.

To calculate 2*5, press 2 ENTER 5 * . Note only one ENTER, used to separate numbers.

Mar 22, 2011 | HP 12c Calculator

Enter DMS (Degrees/Minutes/Seconds) values as D.MMSSs, using 0s as necessary:

- D degrees (0-7 digits)
- . decimal-point separator
- MM minutes (must be 2 digits)
- SS seconds (must be 2 digits)
- s fractional part of a second

- 46° 15' as 46.15.
- 179° 9' 2.54" as 179.090254, note the 0s in front of the 9 and 2.

Jan 13, 2011 | Texas Instruments TI-36 X Solar Calculator

When you press the OPTN key you see Tabs at the bottom of the screen. The second one from the left should be the submenu for matrix operations.. When you press F2:MAT, the new tabs are Mat, M>L (Matrix to List), Det (command to calculate the determinant etc.

Here is a detailed account of how to calculate the determinant of a square matrix.

I assume you know how to define your matrix, but I will repeat it here for others who might not know. You can skip to**Calculation**

1.Turn Calculator ON. If there are no icons, press [MENU].

Data Entry

2.Use arrows to highlight [MAT] icon. Press [ENTER]

3.Highlight the first line where it says Mat A. Use the right arrow to enter the dimensions of Matrix A. Enter 3 and press [EXE]. The cursor moves to the second dimension. Press 3 and press [ENTER].

4. The matrix entry screen appears.

5. Enter first matrix coefficient a_11 and press [ENTER]

6. Enter a_12 and [ENTER]

.....

Key in last coefficient a_33 and press [ENTER]

**Calculation**

Press [MENU] and [RUN]

Press [OPTN][F2:MAT][F3:Det] Command echoes on screen as**det**

Press [F1:Mat] echoes on screen as Mat; screen shows**det Mat**

Press [ALPHA] A The screen displays**det Mat A**

Press [ENTER] to calculate the determinant.

**If the matrix is not square, you cannot calculate its determinant.**

Here is a detailed account of how to calculate the determinant of a square matrix.

I assume you know how to define your matrix, but I will repeat it here for others who might not know. You can skip to

1.Turn Calculator ON. If there are no icons, press [MENU].

Data Entry

2.Use arrows to highlight [MAT] icon. Press [ENTER]

3.Highlight the first line where it says Mat A. Use the right arrow to enter the dimensions of Matrix A. Enter 3 and press [EXE]. The cursor moves to the second dimension. Press 3 and press [ENTER].

4. The matrix entry screen appears.

5. Enter first matrix coefficient a_11 and press [ENTER]

6. Enter a_12 and [ENTER]

.....

Key in last coefficient a_33 and press [ENTER]

Press [MENU] and [RUN]

Press [OPTN][F2:MAT][F3:Det] Command echoes on screen as

Press [F1:Mat] echoes on screen as Mat; screen shows

Press [ALPHA] A The screen displays

Press [ENTER] to calculate the determinant.

Dec 13, 2010 | Casio FX-9750GPlus Calculator

When
you press the OPTN key you see Tabs at the bottom of the screen. The
second one from the left should be the submenu for matrix operations..
When you press F2:MAT, the new tabs are Mat, M>L (Matrix to List),
det (command to calculate the determinant etc.

Here is a detailed account of how to calculate the determinant of a square matrix.

I assume you know how to define your matrix, but I will repeat it here for others who might not know. You can skip to**Calculation**

1.Turn Calculator ON. If there are no icons, press [MENU].

Data Entry

2.Use arrows to highlight [MAT] icon. Press [ENTER]

3.Highlight the first line where it says Mat A. Use the right arrow to enter the dimensions of Matrix A. Enter 3 and press [EXE]. The cursor moves to the second dimension. Press 3 and press [ENTER].

4. The matrix entry screen appears.

5. Enter first matrix coefficient a_11 and press [ENTER]

6. Enter a_12 and [ENTER]

.....

Key in last coefficient a_33 and press [ENTER]

**Calculation**

Press [MENU] and [RUN]

Press [OPTN][F2:MAT][F3:Det] Command echoes on screen as**det**

Press [F1:Mat] echoes on screen as Mat; screen shows**det Mat**

Press [ALPHA] A The screen displays**det Mat A**

Press [ENTER] to calculate the determinant.

**If the matrix is not square, you cannot calculate its determinant.**

Here is a detailed account of how to calculate the determinant of a square matrix.

I assume you know how to define your matrix, but I will repeat it here for others who might not know. You can skip to

1.Turn Calculator ON. If there are no icons, press [MENU].

Data Entry

2.Use arrows to highlight [MAT] icon. Press [ENTER]

3.Highlight the first line where it says Mat A. Use the right arrow to enter the dimensions of Matrix A. Enter 3 and press [EXE]. The cursor moves to the second dimension. Press 3 and press [ENTER].

4. The matrix entry screen appears.

5. Enter first matrix coefficient a_11 and press [ENTER]

6. Enter a_12 and [ENTER]

.....

Key in last coefficient a_33 and press [ENTER]

Press [MENU] and [RUN]

Press [OPTN][F2:MAT][F3:Det] Command echoes on screen as

Press [F1:Mat] echoes on screen as Mat; screen shows

Press [ALPHA] A The screen displays

Press [ENTER] to calculate the determinant.

Dec 13, 2010 | Casio FX-9750GPlus Calculator

On this family of calculators, you do as follows

To convert this back to DMS, press [ANGLE][|=>DMS][ENTER] and the calculator displays the original value 15 deg 25' 32"

- Enter the first number (degrees), ex:15
- Press [2nd][APPS] (ANGLE) to access the Angle functions
- Select [1: degree symbol] [ENTER]
- Main screen shows 15 deg
- Enter the minutes, ex 25
- Press [2nd] [APPS](ANGLE) to access Angle functions
- Select [2:' apostrophe] [ENTER]
- Screen echoes 15 deg 25'
- Enter the seconds number, ex 32
- Press [ALPHA][+] (") to access the double quotation mark.
- Screen echoes 15 deg 25' 32"
- Press [ENTER]
- Calculator converts this in decimal degrees 15.42555556

To convert this back to DMS, press [ANGLE][|=>DMS][ENTER] and the calculator displays the original value 15 deg 25' 32"

Jan 11, 2010 | Texas Instruments TI-84 Plus Calculator

Press "2ND" "MATH" "F3" to invoke the Angle menu.

Enter the number of degrees, press "F3", enter the number of minutes, press "F3", enter the number of seconds, press "F3", then press "ENTER".

Enter the number of degrees, press "F3", enter the number of minutes, press "F3", enter the number of seconds, press "F3", then press "ENTER".

Feb 15, 2008 | Texas Instruments TI-86 Calculator

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