# Texas Instruments TI-84 Plus Calculator "83 giving right" Questions

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## My TI-83 calculator is giving

83 calculator is giving me answers that are wrong by about .08 to .15 I am positive that i am entering the equations in the right way. I have the answers to the problems so i know that the answers its

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## TI-83 Plus has dead pixel lines after months unused

...83 Plus has dead pixel lines. It went unused for a little while, when booted back on it had one dead line. A few days later it had 2, then 3. Right now I just watched 3 more formed. I'm up to 6 dead ...

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## I am having trouble with my calculator it is giving me a dim mismatch

...right they are a 3x1 and a 2x3 and it is still giving me a dim mismatch. i dont understand, please help. thanks. i think you have selected the square matrix function! plz change it from option ...

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## "invalid dim"

"invalid dim" I am trying to type in a matrix. when I try to get the inverse of it, it gives me this message. I know I typed the problem in right. A matrix needs to be square--the number of rows must ...

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## My last menstrual period was august 25,2010..how

my last menstrual period was august 25,2010..how many weeks im pregnant right now & when is my expected date of confinement? You are 33 weeks pregnant and expected date of delivery is May 25, 2011

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## Using Tan,sin, cosin

...right. Thank you very much in advance for your help. Alot of people seem to be having this problem. Angles can be measured in two units, degrees and radians. Your calculator is currently doing ...

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## Solve() gives me wrong answer.

83 is also giving me -20^2=-400 not 400. Enter the first term as (-20^2), not as -20^2. Without the parentheses the calculator interprets it as -(20^2), which is not what you want. Also, make sure you

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## Three times a number is 50 more than the number.

three times a number is 50 more than the number. define a variable and write an equation to find the number. then solve The equation is easy: it's right there in what you said. 3x = x+50 which ...

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## Radian mode does not work properly

...right answer, but i don't know why with the other one it doesn't.Thank you,Maria -1E-13 is a very small number. When doing this kind of a problem you can regard 1E-13 as 0. Remember that pi is an ...

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## How do I set up graph lines

...83 itself, you can enter up to 9 equations to be graphed at once. after that, you may want to go to the window menu, where you can set the dimensions of the graphing plane in both the x row and y ...

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