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How do i write plus or minus on a ti 84 plus - Office Equipment & Supplies

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SOURCE: how do you use a plus or minus sign on a TI-84

Hi,
You cannot use the ± in the definition of a function. If you need to consider two alternatives, you have draw each function separately, one function as Y1 and the other as Y2. I just checked the catalog of commands, and there is no ±.

Hope it helps.
Thanks for using FixYa

Posted on Nov 19, 2009

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1 Answer

How do you enter the "plus or minus" sign into the y= of a ti-84


The calculator cannot handle "plus or minus" in the same equation. If you need both, enter two equations into y=, one for plus and the other for minus.

Feb 25, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Is there a positive/negative sign all in one on the ti-84? like to use for the quadratic formula... -b (plus or minus[symbol here?]) the square root of... the rest


No. The calculator can calculate either value at one time, but not both. You can calculate the positive and then the negative (or the other way around), but a single calculation cannot produce two answers. A calculation can produce, for example, a list with two elements, but that's still a single result (a list).

Feb 19, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

When graphing and equation how to I put it plus or minus


You can't have a function return two results. You can graph it as two separate equations, one for the plus case and one for the minus case.

Nov 19, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

I just bought your calculator. Were does the batteries go? Texas Instruments TI-84 PlusCalculator


Look on the back of calculator. You will see a large rounded rectangle that takes up the bottom half of the calculator. That is the battery compartment door. At the battery door there is a depression. Insert your index finger in the space and pull down and towards you. The door will open. Insert the batteries, respecting the polarity diagram. In each battery slot you will see a plus ( ) or a minus (-).

Sep 05, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How to graph y=-5/2x-2 on ti-84 plus calculator


Press Y= (the key at the very top left, above the blue 2ND key). On the Y1= line, enter (-) 5 / ( 2 X ) - 2 if the function is "negative five over 2x minus 2" or (-) 5 / 2 X - 2 if the function is "negative five-halves x minus 2".
(The (-) is the key to the right of the decimal point.) Then press GRAPH (the very top right key) and the graph should appear. You can press WINDOW (just to the right of the Y=) and change the window settings if you wish.

If this doesn't do it, post a comment and we can go from there.

Apr 20, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Trying to convert minus c to minus f in cal plus


Here are the formulas for conversion.
Let T_C be the temperature on the Celsius scale and T_F the temperature on the Fahrenheit scale.
0 _C correspond to 32 _F
100 _C correspond to 212 _F

Generally
  1. T_C =(5/9)*(T_F -32) ; for T_F=212 _F , T_C = 5/9*(180)= 100 _C
  2. T_F= (9/5)T_C + 32 ; for T_C=100_C, T_F = (9/5)*100+32 = 212_F
Problem for you : Find the temperature which has the same value on both scales.

Jan 10, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do you use a plus or minus sign on a TI-84


Hi,
You cannot use the ± in the definition of a function. If you need to consider two alternatives, you have draw each function separately, one function as Y1 and the other as Y2. I just checked the catalog of commands, and there is no ±.

Hope it helps.
Thanks for using FixYa

Nov 19, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Plus or Minus Sign


I'm assuming you want the +/- symbol like you see in the quadratic formula. There is no key to enter this. You will have to enter 2 separate problems. Enter the numbers with the + symbol and then enter the numbers with the - symbol.

Jun 05, 2009 | Texas Instruments TI-84 Plus Calculator

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