Question about Office Equipment & Supplies

I just need the keystroke entry sequence for properly entering the RUN & RISE to obtain the SLOPE of the triangle.

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Posted on Jan 02, 2017

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SOURCE: Keystroke issue with TI BA II +...

ok so when you're typing it into your calc. like that don't type it in without parenthesis.

example:

2^3=8

to find the cube root of 8, you type in 8^(1/3)

DONT type 8^1/3 because that means that you raising the 8 by a one and then dividing that answer by 3

Posted on Jun 09, 2009

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SOURCE: linear regression analysis

Step 0: Press the ON key at the lower left corner of the keyboard to turn the calculator on.

The next 13 steps are at the beginning of Chapter 12 of the guidebook.

Posted on Sep 05, 2012

To graph (-3, -3) we start at the origin (0,0) and go 3 squares to the left and then 3 squares down.

Slope is defined in many ways, including rise/run, delta y/ delta x, etc.

Since 0 divided by anything is 0, the rise must be zero, so the slope of 0 is a horizontal line.

Put the point and the slope together, we have a horizontal line going through (-3,-3).

Good luck.

Paul

Slope is defined in many ways, including rise/run, delta y/ delta x, etc.

Since 0 divided by anything is 0, the rise must be zero, so the slope of 0 is a horizontal line.

Put the point and the slope together, we have a horizontal line going through (-3,-3).

Good luck.

Paul

Feb 04, 2015 | Office Equipment & Supplies

Are you pressing just the comma key, or are you pressing the ALPHA key first? Do you have alpha lock turned on? Could you post the exact sequence of keystrokes and what it is you want to enter?

Dec 15, 2012 | Texas Instruments TI-84 Plus Silver...

If you have learned about the trigonometric ratios (sine, cosine and tangent) you can use the tangent of the angle.

Let your run be to the right ( along the positive x-axis) and the rise be upwards along the positive y-axis. The tangent of the angle is

tan (theta)=rise/run=7.5/12

If the calculator is set with angle unit in degrees, the angle is obtained as the arc tangent of the (rise/run) value.

theta= arctan(7.5/12)=32.00538321 or about 32 degrees.

The arctan is the inverse of tan. To access it on the calculator press [2nd F][tan]

Depending on the calculator (sorry I do not have your model under my eyes)

Press**[2nd F][tan] ( 7.5/12) [=] **

or

**7.5/12 =** then** [2nd F][tan] [ALPHA][Ans] [=]**

Let your run be to the right ( along the positive x-axis) and the rise be upwards along the positive y-axis. The tangent of the angle is

tan (theta)=rise/run=7.5/12

If the calculator is set with angle unit in degrees, the angle is obtained as the arc tangent of the (rise/run) value.

theta= arctan(7.5/12)=32.00538321 or about 32 degrees.

The arctan is the inverse of tan. To access it on the calculator press [2nd F][tan]

Depending on the calculator (sorry I do not have your model under my eyes)

Press

or

Jan 21, 2012 | Sharp Office Equipment & Supplies

If you have learned about the trigonometric ratios (sine, cosine and tangent) you can use the tangent of the angle.

Let your run be to the right ( along the positive x-axis) and the rise be upwards along the positive y-axis. The tangent of the angle is

tan (theta)=rise/run=7.5/12

If the calculator is set with angle unit in degrees, the angle is obtained as the arc tangent of the (rise/run) value.

theta= arctan(7.5/12)=32.00538321 or about 32 degrees.

The arctan is the inverse of tan. To access it on the calculator press [2nd F][tan]

Depending on the calculator (sorry I do not have your model under my eyes)

Press**[2nd F][tan] ( 7.5/12) [=] **

or

**7.5/12 =** then** [2nd F][tan] [ALPHA][Ans] [=]**

Let your run be to the right ( along the positive x-axis) and the rise be upwards along the positive y-axis. The tangent of the angle is

tan (theta)=rise/run=7.5/12

If the calculator is set with angle unit in degrees, the angle is obtained as the arc tangent of the (rise/run) value.

theta= arctan(7.5/12)=32.00538321 or about 32 degrees.

The arctan is the inverse of tan. To access it on the calculator press [2nd F][tan]

Depending on the calculator (sorry I do not have your model under my eyes)

Press

or

Jan 21, 2012 | Sharp EL-501WBBL Calculator

Press MATH 3 ( X + 4 ) ^ 2 ) ENTER and you will get x^2+8x+16 .

What keystroke sequence did you use to get 16x^2? The only way I could get that was to expand (4x)^2 .

What keystroke sequence did you use to get 16x^2? The only way I could get that was to expand (4x)^2 .

Mar 09, 2011 | Texas Instruments TI-89 Calculator

40%

Since you didn't specify the exact make and model of your calculator, I can't give you the exact keystroke sequence to calculate that. On a typical algebraic calculator it may be 1 0 0 * 6 / 1 5 =

On an RPN or RPL calculator, it would be 1 0 0 ENTER 6 * 1 5 /

Since you didn't specify the exact make and model of your calculator, I can't give you the exact keystroke sequence to calculate that. On a typical algebraic calculator it may be 1 0 0 * 6 / 1 5 =

On an RPN or RPL calculator, it would be 1 0 0 ENTER 6 * 1 5 /

Mar 04, 2011 | Office Equipment & Supplies

Assuming your two point coordinates are of the form (x1, y1) and (x2, y2).

There are two possible methods:

You can use the slope formula which is commonly known as "rise over run." To do this: slope = (y2 - y1) / (x2 - x1) This means that the vertical distance covered by the two points divided by the horizontal distance covered by the two points is equal to the slope.

You can use your calculator's linear regression capabilities:

First step: Press the STAT button (next to the arrow keys toward the top right of your calculator).

Second: Select the first option, Edit...

Third: Under L1, enter your first x value, press enter, enter your second x value, press enter again.

Fourth: Under L2, enter your first y value, press enter, enter your second y value, press enter again.

Fifth: Press the STAT button again. Press the right arrow button to highlight CALC.

Sixth: Select the fourth option LinReg(ax+b).

Seventh: Press 2ND then 1 (L1 should show up on your screen). Then press the comma button (right above the number 7). Press 2ND then 2 (L2 should show up on your screen). Press ENTER.

Eighth: Once you press ENTER, several values will appear. The a value is the slope of the two coordinates.

There are two possible methods:

You can use the slope formula which is commonly known as "rise over run." To do this: slope = (y2 - y1) / (x2 - x1) This means that the vertical distance covered by the two points divided by the horizontal distance covered by the two points is equal to the slope.

You can use your calculator's linear regression capabilities:

First step: Press the STAT button (next to the arrow keys toward the top right of your calculator).

Second: Select the first option, Edit...

Third: Under L1, enter your first x value, press enter, enter your second x value, press enter again.

Fourth: Under L2, enter your first y value, press enter, enter your second y value, press enter again.

Fifth: Press the STAT button again. Press the right arrow button to highlight CALC.

Sixth: Select the fourth option LinReg(ax+b).

Seventh: Press 2ND then 1 (L1 should show up on your screen). Then press the comma button (right above the number 7). Press 2ND then 2 (L2 should show up on your screen). Press ENTER.

Eighth: Once you press ENTER, several values will appear. The a value is the slope of the two coordinates.

Feb 03, 2011 | Texas Instruments TI-84 Plus Silver...

7 . 7 4 y^x 2 5 1/x =

y^x is the key just above the 9 key, 1/x is the key above that. The given keystroke sequence will work in both the Chain and AOS modes.

y^x is the key just above the 9 key, 1/x is the key above that. The given keystroke sequence will work in both the Chain and AOS modes.

Oct 30, 2010 | Texas Instruments BA-II Plus Calculator

Resetting the Calculator

If the calculator doesn't respond to keystrokes or if it is otherwise behaving unusually, attempt to reset it. Resetting the calculator halts the current calculation and cancels program entry, digit entry, a running program, a SOLVE calculation, an ∫ FN calculation, a VIEW display, or an INPUT display. Stored data usually remain intact.

To reset the calculator, hold down the C key and press GTO . If you are unable to reset the calculator, try installing fresh batteries. If the calculator cannot be reset, or if it still fails to operate properly, you should attempt to clear memory using the special procedure described in the next section. If the calculator still does not respond to keystrokes, use a thin, pointed object to press the RESET hole.

The calculator can reset itself if it is dropped or if power is interrupted.

CLEARING the MEMORY

If the calculator fails to respond to keystrokes, and you are unable to restore operation by resetting it or changing the batteries, try the following MEMORY CLEAR procedure. These keystrokes clear all of memory, reset the calculator, and restore all format and modes to their original, default settings (shown below):

If the calculator doesn't respond to keystrokes or if it is otherwise behaving unusually, attempt to reset it. Resetting the calculator halts the current calculation and cancels program entry, digit entry, a running program, a SOLVE calculation, an ∫ FN calculation, a VIEW display, or an INPUT display. Stored data usually remain intact.

To reset the calculator, hold down the C key and press GTO . If you are unable to reset the calculator, try installing fresh batteries. If the calculator cannot be reset, or if it still fails to operate properly, you should attempt to clear memory using the special procedure described in the next section. If the calculator still does not respond to keystrokes, use a thin, pointed object to press the RESET hole.

The calculator can reset itself if it is dropped or if power is interrupted.

CLEARING the MEMORY

If the calculator fails to respond to keystrokes, and you are unable to restore operation by resetting it or changing the batteries, try the following MEMORY CLEAR procedure. These keystrokes clear all of memory, reset the calculator, and restore all format and modes to their original, default settings (shown below):

- Press and hold down the C key.
- Press and hold down the R/S key
- Press i (You will be holding three keys simultaneously)
- When you release all three keys, the display shows MEMORY CLEAR if the operation is successful.

Mar 02, 2010 | HP 35s Scientific Calculator

ok so when you're typing it into your calc. like that don't type it in without parenthesis.

example:

2^3=8

to find the cube root of 8, you type in 8^(1/3)

DONT type 8^1/3 because that means that you raising the 8 by a one and then dividing that answer by 3

example:

2^3=8

to find the cube root of 8, you type in 8^(1/3)

DONT type 8^1/3 because that means that you raising the 8 by a one and then dividing that answer by 3

Apr 05, 2009 | Texas Instruments BA-II Plus Calculator

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