Question about Texas Instruments TI-84 Plus Calculator

Ad

Hi,

a 6ya expert can help you resolve that issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)

click here to download the app (for users in the US for now) and get all the help you need.

Goodluck!

Posted on Jan 02, 2017

Ad

This calculator cannot do algebra so it does not handle polynomials. It does not have an EQN (equation) solving mode so you cannot enter an expression set = 0 and solve it for an unknown variable X.

It does have a table Mode where you can enter an expression y= F(X) and generate a table of values. If in the expression F(x) a numerical coefficient is a fraction just enter it as a fraction, possibly enclosed in parentheses. If it is a decimal number just enter it as a decimal number. Converting it to a fraction is not going to generate any more precision in the result. You lose precision when you go from fraction to decimal, but you do not make a number more precise by converting it from a decimal representation to a fraction.

It does have a table Mode where you can enter an expression y= F(X) and generate a table of values. If in the expression F(x) a numerical coefficient is a fraction just enter it as a fraction, possibly enclosed in parentheses. If it is a decimal number just enter it as a decimal number. Converting it to a fraction is not going to generate any more precision in the result. You lose precision when you go from fraction to decimal, but you do not make a number more precise by converting it from a decimal representation to a fraction.

Nov 16, 2013 | Casio fx-300ES Calculator

After you enter the data draw the SCATTER plot first.

When you perform the (linear) regression analysis LineReg, save the regression equation to a function, for example Y1

The syntax is

LineReg L1, L2, Y1 ENTER

From the Stat>CALC menu press LineReg

The command echoes on command line

Press [2nd][1] to enter the L1 list on command line

Press [,] to separate

Press [2nd] [2] to enter L2 on the command line

Press [,] the comma again

Press [VARS][>][Y-Vars][1~Function][1:Y1] [ENTER]

Press [GRAPH] to have the regression line equation drawn

on the same screen as the Scatter Plot you drew before.

When you perform the (linear) regression analysis LineReg, save the regression equation to a function, for example Y1

The syntax is

LineReg L1, L2, Y1 ENTER

From the Stat>CALC menu press LineReg

The command echoes on command line

Press [2nd][1] to enter the L1 list on command line

Press [,] to separate

Press [2nd] [2] to enter L2 on the command line

Press [,] the comma again

Press [VARS][>][Y-Vars][1~Function][1:Y1] [ENTER]

Press [GRAPH] to have the regression line equation drawn

on the same screen as the Scatter Plot you drew before.

Sep 13, 2011 | Texas Instruments TI-84 Plus Calculator

Scientific mode is a display mode. It concerns the display of results. If the number are too small or too large they will be displayed in Scientific mode, because the screen does not have an unlimited number of digit positions.

Regarding the dots. A number followed by a radix mark (decimal mark) is considered to be a floating number, while the same number without a decimal mark is considered an integer (whole number).

The CAS is able to do symbolic and exact calculations, so that distinction between floting and integer numbers is important. Sometimes, to force a result to be displayed in its decimal representation all it takes is to append a decimal mark at the end of an integer.

Hope it answers your queation.

Regarding the dots. A number followed by a radix mark (decimal mark) is considered to be a floating number, while the same number without a decimal mark is considered an integer (whole number).

The CAS is able to do symbolic and exact calculations, so that distinction between floting and integer numbers is important. Sometimes, to force a result to be displayed in its decimal representation all it takes is to append a decimal mark at the end of an integer.

Hope it answers your queation.

Apr 23, 2011 | Texas Instruments TI-Nspire Graphic...

Fibonacci sequence is the series of numbers 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...

At first type Fibonacci equation in Y editor with condition x>=0 and then graphing it. See captured images with enlarged form of graph

At first type Fibonacci equation in Y editor with condition x>=0 and then graphing it. See captured images with enlarged form of graph

Apr 11, 2010 | Texas Instruments TI-84 Plus Silver...

Hi,

In the Y= equation editor you can enter two functions, and graph them both or calculate a table for both. However, the two functions will be evaluated at the same values of X.

Rather than trying to guess what is happening, I will show you how to get your two tables.

If you have used one the applications** Inequalz **or **Transform** it si probably still stuck in memory, and you must unload it from the RAM before recovering the usual calculator behavio(u)r

Press [2nd][GRAPH] (Table) to see your 2 tables y1 and y2 calculated at the same X.

Hope it helps.

Thank you for rating the solution.

In the Y= equation editor you can enter two functions, and graph them both or calculate a table for both. However, the two functions will be evaluated at the same values of X.

Rather than trying to guess what is happening, I will show you how to get your two tables.

If you have used one the applications

- Press the [APPS] button, find Inequalz or Transform, point to it and click [ENTER].
- You will be asked to Continue or Quit the application.
- Press the number corresponding to Quit (usually 2).
- Press [2nd][Y=] (STAT PLOT). Press [4:PlotsOff][ENTER]
- Calculator replies Done.

Press [2nd][GRAPH] (Table) to see your 2 tables y1 and y2 calculated at the same X.

Hope it helps.

Thank you for rating the solution.

Dec 10, 2009 | Texas Instruments TI-84 Plus Calculator

ti 83 is a crappy calc. may i recommend a casio

Dec 09, 2009 | Texas Instruments TI-83 Plus Calculator

i had the same problem .... just go to apps and go all the way down transfrm and click it then click the uninstall button !!!

Apr 01, 2009 | Texas Instruments TI-84 Plus Calculator

The tables will not say Y specifically, they only say L1, L2, L3, etc. UNLESS you type in an equation in the "Y=" button menu. When you type an equation in on that page, and then hit "2nd" "GRAPH", you will get X and Y values for that equation.

Jan 19, 2009 | Texas Instruments TI-83 Plus Calculator

did you make sure the domain, range, and scale settings are correct?

Oct 29, 2008 | Texas Instruments TI-84 Plus Calculator

I am not quite sure what you are asking...

(1) if asking for graphing y= -2/3x+2, then press [diamond] [F1: Y=] type in .2/3x +2, see graph by [diamond][graph]

(2) if asking for graphing y= -2/3x+a, where a=3x, then first archive a=3x in Home screen by [home], type 3x [sto] a, then go back to y= menu, and type -2/3x+a in Y1

(3) if asking for graphing an equation that is dependent on 2 variables at the same time, use x-y-z axis (aka, change mode to graphing 3-D by [mode]graph [5:3D]) then enter desired equation in y= menu using Z function in terms of x and y aka z(x,y)= ...)

(1) if asking for graphing y= -2/3x+2, then press [diamond] [F1: Y=] type in .2/3x +2, see graph by [diamond][graph]

(2) if asking for graphing y= -2/3x+a, where a=3x, then first archive a=3x in Home screen by [home], type 3x [sto] a, then go back to y= menu, and type -2/3x+a in Y1

(3) if asking for graphing an equation that is dependent on 2 variables at the same time, use x-y-z axis (aka, change mode to graphing 3-D by [mode]graph [5:3D]) then enter desired equation in y= menu using Z function in terms of x and y aka z(x,y)= ...)

May 18, 2008 | Texas Instruments TI-89 Calculator

29 people viewed this question

Usually answered in minutes!

×