Question about Texas Instruments TI-83 Plus Calculator

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Have you tried changing the batteries? I'd try that first thing. From your description, the problem sounds like you have low batteries. The RAM shouldn't clear itself when you turn the calculator on unless you tried to turn it on when the calculator didn't have any juice. The TI-83 has four AAA batteries and one CR1616 battery it uses for memory backup. The CR1616 isn't enough to power the calculator, just enough to keep your calculator from losing its RAM contents while the primary batteries are out. If you try to power the calculator on without primary batteries, the backup fails. However, the TI-8x line is usually pretty good about warning you when the batteries are low by displaying a big warning message when you turn it on about the batteries being low and a recommended change of batteries. It might not, though, so you really can't be sure until you try a fresh set of batteries. Good luck!

Posted on Apr 10, 2011

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Posted on Jan 02, 2017

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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

Let me know if you have any questions.

Good luck,

Paul

Jan 24, 2016 | Texas Instruments TI-83 Plus Calculator

You can't simply enter 7x+9=30 into the calculator, there is a way to calculate what the x is but its been a few years since I've done these..

Oct 03, 2008 | Texas Instruments TI-83 Plus Calculator

- Press [2nd][Y=] (STATPLOT)
- Choose option [4:PlotsOff][ENTER]. Screen displays Done
- Press [2nd][0] (CATALOG)
- Press [PGRM] (C) to jump to first command that starts with c.
- Use arrow to scroll down to
**ClrAllLists,**s**elect it [ENTER]** - Calculator displays
**Done** - Start the new problem

Feb 19, 2010 | Texas Instruments TI-83 Plus Calculator

Hi,

Listen! I am no seer, but I suspect that the batteries in your calculator are depleted. Replace all of them because the backup battery is not able to keep the flash memory refreshed.

Hope it helps.

Listen! I am no seer, but I suspect that the batteries in your calculator are depleted. Replace all of them because the backup battery is not able to keep the flash memory refreshed.

Hope it helps.

Dec 07, 2009 | Texas Instruments TI-83 Plus Calculator

the book is wrong then because my ti gives me the same answer

Nov 01, 2009 | Texas Instruments TI-83 Plus Calculator

Parabolas are forms of the base equation X^2. So press the [Y=] key, and then type in the variation of x squared that you want

May 11, 2009 | Texas Instruments TI-83 Plus Calculator

to do logarithms with other bases, use change-of-base.
let's say you want to do log base 5 of 25. for clarity i'll write this as log(5) 25.
you would have to do log(10) 25 / log(10) 5 to get 2.
key sequence:
[LOG], 2, 5, ), / (divide), [LOG], 5, )

Apr 03, 2009 | Texas Instruments TI-83 Plus Calculator

Yes you can use it, here is the formula: Y= V(t+ (i/c))^(tc) V=amount put in, t=time, i=intrest rate, c= amount of times it is compounded.

(I know this because I have a TI-83 calculator)

(I know this because I have a TI-83 calculator)

Mar 27, 2009 | Texas Instruments TI-83+ Graphing...

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

The TI 83, 84 seris can not store more than 10 equations. the TI 86 and above can have infinate, but not the 83, 84s. If you have catalog help in your apps, you can run that, and it will be able to tell you all the syntax of every function it has.

Nov 22, 2008 | Texas Instruments TI-84 Plus Silver...

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