20 Most Recent Texas Instruments TI-83 Plus Calculator Questions & Answers

0helpful
16answers

Need help withe the sin, cos, tan problem with ti - 83 plus

here are the steps in changing it from radian to degrees
1. turn on your TI-83 plus
2. press the MODE button near the top of your calculator
3.go down to options and move the highlight from radian to degree, press enter and clear
you're good to go
5/14/2022 3:54:33 AM • Texas... • Answered on May 14, 2022
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16answers

Ti 83 black screen problem

i had the same problem. If you hit 2nd down 2nd down 2nd down and keep repeating untill the screen clears it should solve the problem. i tried the other solutions that tried clearing the memory and they didnt do anything but erase the equations i had previously put in it (great). But this should work.
3/12/2022 8:00:44 PM • Texas... • Answered on Mar 12, 2022
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1answer

TI-83 Plus ( finding linear regression) gives wrong y-intercept (b=) value sometimes. Please tell me why?

I get the same answer. Is b wrong? When I do it in Excel I get b= -2E+06, which is -1 797 322.99 rounded to the millions, in scientific notation. Let me know if you have any questions. Good luck, Paul
10/21/2021 3:29:23 AM • Texas... • Answered on Oct 21, 2021
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1answer

My 1-var stats button is not working it says the

Hi,
You will have to report faithfully the message returned, you cannot use your interpretation of the message. Error messages are codified. Each one will correspond to very particular error conditions. I did check the manual for all possible error messages and there is none that states wrong info.

My hunch is that there are errors in your data, but I can't say what type of error: I do not have the actual message returned. Verify you data, item by item, and try again.

To make sure that the calculator is well configured to do statistics
  1. Press [STAT][5:SetUpEditor][ENTER]
  2. Press [2nd][0] (CATALOG) and press [PRGM] (C) to jump to the first command starting with C.
  3. Scroll down to [ClrAllListsts] and press [ENTER]
  4. Calculator replies Done
Restart your statistical data entry.

Hope it helps.
Thank you for rating this solution

3/7/2021 11:24:07 PM • Texas... • Answered on Mar 07, 2021
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1answer

My house roof has an

the area of your roof is equal to the base (B) times the hight (H) divided by 2.
A = ( B x H )/ 2 = 120
To get the Perimeter of your roof you need to sum the base plus the sides (S)
So P = B + 2 x S


if you have a slope degree of 30 then
B/2 = cos (30) x S
so P = B + 2 x B / 2 / cos(30)
P = B ( 1 + cos (30) )
we also know that
H = tg (30) x B/2
from this last one we can go back to the Area and get a value for B
120 = ( tg (30) x B / 2 x B) / 2
480 x SQRT(3) = B^2
B = SQRT(480/tg(30))

So:
P = SQRT(480/tg(30)) x ( 1 + cos (30))
tg (30) = 1 / SQRT(3) cos (30) = SQRT(3)/2
P = 2 SQRT(30 x (12 + 7 x SQRT(3) ) ) or aproximately 53.8m
1/29/2021 4:37:03 PM • Texas... • Answered on Jan 29, 2021
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3answers

Mem cleared

Press any key (except for 2nd and On), and the message should disappear.
3/12/2019 10:36:31 PM • Texas... • Answered on Mar 12, 2019
0helpful
2answers

How do you calculate the cubed root of a number or

For cube roots, use the cube-root function in the MATH menu. For example, to calculate the cube root of 8, press MATH 4 8 =

For other roots (including cube root), use the xth-root function in the MATH menu. For example, to calculate the fifth root of 32, press 5 MATH 4 3 2 =
8/3/2018 9:54:18 AM • Texas... • Answered on Aug 03, 2018
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1answer

Gives wrong answer for power function

You should learn about scientific notation. The two values are the same, just written differently.
5/20/2018 11:48:14 PM • Texas... • Answered on May 20, 2018
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Buttons don't work...

Be the first to answer 1/18/2018 11:42:03 AM • Texas... • Posted on Jan 18, 2018Be the first to answer
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1answer

7 button doesn't work

If you're talking about your laptop, try to gently remove the button and clean it with a laptop cleaner. spray a bit of it on a small piece of cotton until its damp, not wet, and clean the area, and put the button back on. If it is infact something wrong with the sensor take it to a local computer store. If you're working with a mac, apple should have a solution for you.
1/6/2018 1:12:54 PM • Texas... • Answered on Jan 06, 2018
0answers

TI83+, display issues

Be the first to answer 12/27/2017 11:15:02 PM • Texas... • Posted on Dec 27, 2017Be the first to answer
0answers
0helpful
1answer

My calculator won't let me graph or find the linear regression.

You have attempted to use, edit, or delete an archived variable. For example, the expression dim(L1) produces an error if L1 is archived
11/11/2017 10:24:02 AM • Texas... • Answered on Nov 11, 2017
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