Question about Texas Instruments TI-84 Plus Calculator

# Err syntax pops up when trying to graph - Texas Instruments TI-84 Plus Calculator

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

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

SOURCE: TI-83 Plus Graphing Error

Try zoom 6

Posted on Feb 03, 2009

SOURCE: ERR:SYNTAX

try to change the mode to function otherwise im stumped

Posted on Feb 16, 2009

Hello,
The easiest and quickest way to start graphing is to reset the RAM. Press [2nd][MEM][7:Reset][1:All Ram][2:Reset], then [CLEAR] to clear the RAM Cleared Message and go to the main screen.
Hope it helps.

Posted on Oct 16, 2009

Hello,
The calculator has two minus signs

1. The regular MINUS sign which is used with the subtraction operation. This operation is binary, requiring two operands (two terms). In a-b, a and be are the operands (they very specific names, but I will skip this detail).
2. The negation or change sign. This operation is called unary, requiring one operand. -a means take the negative of the number a.
These are the technicalities, in which you may not be interested. On calculators, the two operations are implemented differently, with two signs, the regular minus sign -- , and the change sign (-) usually smaller in size than the regular -- sign and raised above the main line.

Examples. Let (-) be the negation and -- the regular minus.
• If you enter (-) 12 the TI84Plus accepts it and calculates the negative of 12.
• If you enter 12 (-) 13 the TI protests with a syntax error
• If you enter 12 ( (-) 13) the calculator interprets it as 12* (-13) and calculates -156.
• If you enter --12, the calculator displays Ans--12, where Ans is the last result calculated. If Ans happens to be 0, the new result is obviously the one you are expecting. But if Ans holds a non zero value, this is incorrect.
Suppose you have to calculate X^(-2)*X^(-1/3)
You can enter it exactly as it is written above. In this case, you must use the change sign (-) in both factors.
You can also decide to use the power rules and enter the expression as X^( -2 --1/3). In this case the first minus is the negation and the second is the regular minus.

I could go on with a few more examples, but that will take us away from your present concern.

In short.
1. If the minus sign is the leftmost (first) symbol in your function (after the Y1=) you should use the negation. Any subsequent minus should be the regular minus --
2. If the minus sign is the first symbol in an exponent, you must use the negation. Any subsequent minus in the expression of an exponent should be the regular minus --
I hope it did not bore you death with details you do not care to know about. I do hope that it will help you prevent this type of syntax errors.

Do not forget to rate the solution

Posted on Dec 13, 2009

Seems unlikely that you get a syntax error for both graphing and Zooming. Probably the error is in the function you are trying to graph.

To reset the RAM,
Press [2nd]MEM][7:Reset][1:All Ram][2:Reset] [ENTER]
Press [CLEAR] button to erase the above message.

Once Ram is cleared, open the [Y=] function editor and at the Y1= line, enter [X,T, theta, n] key or [ALPHA][X], to draw the simple function Y1=X.
If that works, that means your calculator is OK.

Posted on Jan 19, 2010

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## Related Questions:

### When I try to graph a negative quadratic function I get ERR:SYNTAX what to do

Could you post the function you're trying to plot? Please give the exact sequence of keys you used to enter the function.

If I had to guess, I'd say you're using the "-" key when you should be using the "(-)" key.

Apr 16, 2013 | Texas Instruments TI-84 Plus Calculator

### I also have Err: Syntax when i try to graph and i think thats because i use the regular MINUS but how do i use this '(-)' minus??

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

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

### When i did y= and put in -x+3 for Y1 and (x-1) divided by -3 and hit graph, it says ERR:SYNTAX please help. im trying to solve linear systems by graphing.

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 (-)

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

### How do I set it to factory default settings? When I want to graph or want to do a zoom fit I get a ERR:SYNTAX 1:quit

Seems unlikely that you get a syntax error for both graphing and Zooming. Probably the error is in the function you are trying to graph.

To reset the RAM,
Press [2nd]MEM][7:Reset][1:All Ram][2:Reset] [ENTER]
Press [CLEAR] button to erase the above message.

Once Ram is cleared, open the [Y=] function editor and at the Y1= line, enter [X,T, theta, n] key or [ALPHA][X], to draw the simple function Y1=X.
If that works, that means your calculator is OK.

Jan 19, 2010 | Texas Instruments TI-83 Plus Calculator

### My Graphing calculator has no x or y axis. Its all Blank.

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.

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

### ERR:INVALID DIM

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Apr 20, 2009 | Texas Instruments TI-83 Plus Calculator

### ERR:SYNTAX

try to change the mode to function otherwise im stumped

Feb 04, 2009 | Texas Instruments TI-84 Plus Calculator

### ERR: SYNTAX

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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