Question about Texas Instruments TI-84 Plus Calculator

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Posted on Jan 02, 2017

Mar 21, 2013 | Texas Instruments TI-83 Plus Calculator

You have a syntax error in the function you're trying to graph. Could you post the function in question?

Jan 17, 2013 | Texas Instruments TI-84 Plus Calculator

You can use the square-root function for any number, whether it's a perfect square or not. For example, to calculate the square root of 2, press SHIFT [square-root] 2 EXE .

[square-root] is on the x^2 key, just to the right of the ALPHA key.

[square-root] is on the x^2 key, just to the right of the ALPHA key.

Jan 17, 2013 | Casio FX-9860GII Graphing Calculator With...

An *ERR: MEMORY* is given when there is not enough memory to
perform the instruction or function. To increase available memory by
deleting the contents of any variable (real or complex number, list,
matrix, Y= variable, program, Apps, AppVars, picture, graph database, or
string), follow these steps. • Press [2nd] [MEM] to display the MEMORY menu.

• Press 2: Mem Mgmt/Del.

• Select a variable or data that needs to be deleted and press [ENTER].

• Use the arrow keys to move the cursor next to the item, and then press [DEL]. The variable or data should now be deleted from the memory.

When deleting programs or Apps, a message asking for confirmation will appear. Select 2:Yes to continue. To leave any variable screen without deleting anything, press [2nd] [MODE].

• Press 2: Mem Mgmt/Del.

• Select a variable or data that needs to be deleted and press [ENTER].

• Use the arrow keys to move the cursor next to the item, and then press [DEL]. The variable or data should now be deleted from the memory.

When deleting programs or Apps, a message asking for confirmation will appear. Select 2:Yes to continue. To leave any variable screen without deleting anything, press [2nd] [MODE].

Jun 29, 2012 | Texas Instruments TI-84 Plus Silver...

I am willing to bet that if the calculator could talk she would tell you to stop feeding it commands that make no sense. Joking aside, each command has a certain syntax, similar to sentences you make in English: a prescribed order of the components of the sentence.

For some calculators (the older generations) you press a number then the square root key to get the square root. For the newer ones, you press the square root key. The calculator keeps waiting until you enter the radicand, then it calculates the root.

So before using the command you must know in what order to press the key sequence. If you get an error with a certain key order, do the opposite.

Now, why is the calculator giving you a syntax error always?. There could be may reasons.Try a simple addition or a multiplication. If you get a syntax error, it may be due the computational mode. You may be in statistics mode , or some other modes, I cannot begin to guess, because you say nothing about what you were doing when you get the errors.

Try to reset the calculator to get to default computational mode.

For some calculators (the older generations) you press a number then the square root key to get the square root. For the newer ones, you press the square root key. The calculator keeps waiting until you enter the radicand, then it calculates the root.

So before using the command you must know in what order to press the key sequence. If you get an error with a certain key order, do the opposite.

Now, why is the calculator giving you a syntax error always?. There could be may reasons.Try a simple addition or a multiplication. If you get a syntax error, it may be due the computational mode. You may be in statistics mode , or some other modes, I cannot begin to guess, because you say nothing about what you were doing when you get the errors.

Try to reset the calculator to get to default computational mode.

May 22, 2012 | Casio Office Equipment & Supplies

y=x2-4x+3

here,a=1(coefficient of x2)

b=-4(coefficient of x)

c=3(the constant term)

as this is a quadratic equation this will have two solutions

solution 1=(-b+square root of(b2-4ac))/2a

=(-(-4)+square root of(16-4*a*c)/2*1

=3

solution 2=(-b-square root of(b2-4ac))/2a

=1

here,a=1(coefficient of x2)

b=-4(coefficient of x)

c=3(the constant term)

as this is a quadratic equation this will have two solutions

solution 1=(-b+square root of(b2-4ac))/2a

=(-(-4)+square root of(16-4*a*c)/2*1

=3

solution 2=(-b-square root of(b2-4ac))/2a

=1

Aug 07, 2011 | TOPICS Entertainment Snap! Geometry...

Simply press the (-) key before entering a negative number, in the same place you see the negative sign in print.

For example, to multiply 3 by -4, press 3 x (-) 4 ENTER

For example, to multiply 3 by -4, press 3 x (-) 4 ENTER

Nov 08, 2010 | Texas Instruments TI-83 Plus Calculator

Try rewriting your equations in the equivalent forms that follow.

Y1=3-X

Y2=(1-X)/3

If you do not get a syntax error it means that you were not using the correct minus sign.

If the - is the first symbol after the equal sign you must use negation (-) or change sign key.

Similarly, after the division / key you must use the negation or change sign (-)

Y1=3-X

Y2=(1-X)/3

If you do not get a syntax error it means that you were not using the correct minus sign.

If the - is the first symbol after the equal sign you must use negation (-) or change sign key.

Similarly, after the division / key you must use the negation or change sign (-)

Oct 07, 2010 | Texas Instruments TI-84 Plus Silver...

Press the 2nd Button then the ZOOM button. Make sure that AxesOn is highlighted. If not, move your cursor down until you on AxesOn and press ENTER.

If AxesOn is highlighted, then it is probably your window. Press ZOOM, then 6.

If AxesOn is highlighted, then it is probably your window. Press ZOOM, then 6.

Jun 03, 2009 | Texas Instruments TI-84 Plus Calculator

Ok i had the same problem- If i remember correctly my "window" was messed up. Check it out... If not i always pull the "take batteries out while on" trick which resets the ram.

Sep 01, 2008 | Texas Instruments TI-84 Plus Silver...

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