Question about Texas Instruments TI-83 Plus Calculator

# How to clear memory on my TI 83 Plus?

Once I type info into L1 & L2, how do I clear?

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2nd +
delete
all
scroll to L1and L2
press delete or enter (i have an 82)

Posted on Feb 16, 2009

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Posted on Jan 02, 2017

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## Related Questions:

1 Answer

### How to get l1 l2 l3 charts

L1, L2, L3?
If you are doing statistics, Set MODE to 3. Stat.
Choose 1-Var or any regression model. If you press 1-var you will have two lists x and frequency.
For any regression model you have 3 lists x, y, and Freq(uency).
L1, L2, L3, are list names in the TI 83/84 Plus and the Casio graphing calculators.
I hope it helps

Oct 26, 2013 | Casio fx-115ES Plus Scientific Calculator

1 Answer

### How do i find grouped data in L1 and L2 on ti 82

I am not sure I understand but if it the same problem as in your other posted question, here is what I wrote.

Are the data in L1 and l2 in any way related? If they are (being x-values and y-values of some data set) then you need to do regression analysis (2-var stats)
If they are not related (connected) you can calculate the mean of each group separately.
Do 1-var stat by specifying the L1 list first (may be the default), get your average of the values in L1. Then you can do 1-var stat on the data in L2 by specifying the list L2 on the command line.
1-var L2 ENTER
Note: What I am describing here is valid for the TI 83 Plus/TI84 Plus, but I suspect the steps are similar to the TI 82.

Oct 08, 2013 | Texas Instruments TI-82 Calculator

1 Answer

### Error stat

Are the data in L1 and l2 in any way related? If they are (being x-values and y-values of some data set) then you need to do regression analysis (2-var stats)
If they are not related (connected) you can calculate the mean of each group separately.
Do 1-var stat by specifying the L1 list first (may be the default), get your average of the values in L1. Then you can do 1-var stat on the data in L2 by specifying the list L2 on the command line.
1-var L2 ENTER
Note: What I am describing here is valid for the TI 83 Plus/TI84 Plus, but I suspect the steps are similar to the TI 82.

Oct 08, 2013 | Texas Instruments TI-82 Calculator

1 Answer

### How do I get my L1 and L2 back on my TI 83

You can recreate lists at any time. To create a new and empty L1, press

2ND [{] STO 2ND [L1]

{ is the shifted function of the ( key, STO is just to the left of the 1 and 4 keys, and L1 is the shifted function of the 1 key.

May 17, 2012 | Texas Instruments TI-83 Plus Calculator

2 Answers

### My calculator is TI-83 plus. I get Err: data type every time I want to use lists to calculate something. For example I enter 5,10,15,20,25 in list 1 and 5,5,5,5,5 in list 2. Then in list 3 I type L1/L2,...

You can't manipulate lists like that.

{5,10,15,20,25}[STO>]L1
{5,5,5,5,5}[STO>]L2

These will input your lists properly. I'm not sure what you're trying to do, but if you're just trying to divide every entry in L1 by 5 and store it in L3, you could accomplish that with:

{5,10,15,20,25}[STO>]L1
L1/3[STO>]L3

Also, this page gives a lot of helpful tips on using lists on a TI-83.
http://pages.central.edu/emp/lintont/ti83/html/lists.pdf

Hope this helps!

Mar 30, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

### I have a trouble with my ti-83 plus. are there any body there can help me out? when i click on STAT to load my number on, but on the L1,L2, L3...and so on, it was disappear maybe somehow i delete them...

There is no L7 list. You can put your data in any available list. You can even create your own lists.
Anyway, to recover the L1,L2,L3, and L4,
Press [STAT][5:SetUpEdidor] [ENTER]
Calculator displays Done.

Press [STAT]. Under Menu EDIT, Press [1:Edit]
The List editor opens the L1,L2, etc. liststo let you enter your data.

Feb 04, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

### How do i clear the L1 L2 so on cells?

Hello,
I do not understantd what you mean by the so on cells words.

1. To clear all lists

Press [2nd][CATALOG] to access the list of commands. Scroll down till the fat right arrow point to ClrAllLists. Press [ENTER][ENTER] to execute the command. Screen displays Done.

2. To clear the list L1 completely

Press [STAT][4:ClrList]; command echoe on main screen as ClrList . You must specify what list you want to clear. To clear L1, you insert at the place of the cursor L1 and press [ENTER]. But to insert L1, you press [2nd][1] (L1) and press [ENTER].

3. Clear L1 and L2 completely you do as in point 2.

Press [STAT][4:ClrList] [2nd][1] [,] [2nd] 2 (L2). On screen command appears as ClrList L1, L2. Press [ENTER] to execute it. Screen displays Done

4. To clear a number in a cell.

Press [STAT][1:Edit]. The list editor opens. Move cursor to the top of the list, say L1. and highlight the heading
The whole list appears on the commande/edit line.
Press [ENTER].
Cursor moves to the entry line where all elements on the list appear between { }.
Use the cursor to the value you want to remove and press [DEL]. Do not leave unneeded commas.

Hope it helps.

Oct 21, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

### No Y's in Table

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

2 Answers

### L2 disappeared

Here's what you do in a TI-83 or TI-84:

Go to STAT > 1: Edit > UP ARROW > 2ND > INS > *List Name* > ENTER

Hope that helps!

Oct 18, 2007 | Texas Instruments TI-84 Plus Calculator

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