Question about Texas Instruments TI-83 Plus Calculator

Hey everyone, i havent used my calculator since may 2008 (my last math class) and i need it this semester for another math class. i've had it since 2003.

the casing has no noticable damage/no damage at all. i've tried the brightness thing to see if it was all the way down and i still get nothing.

i replaced the 4 AAA's and the backup battery (1616 3v). solutions?

I had the same problem nothing worked after raplacing the batteries. The problem with me was dirt/dust in the IO-port, I put the nozzle of the vacuumcleaner on IO-port and turned the cleaner on for a few seconds. After that the calculator worked like a charm.

Posted on Jan 30, 2009

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Posted on Jan 02, 2017

take you sales for the last year and put it into a calculator, then press plus + and then 6 and then the per cent key %

Or

Take your sales from last year, multiply by 6 and then divide by 100. That is the amount you will increase. Add it to last years sales.

Or

Take your sales from last year, multiply by 6 and then divide by 100. That is the amount you will increase. Add it to last years sales.

Jan 09, 2017 | The Office Equipment & Supplies

1and 5/7 ==1.7142 (5/7 to get decimal point=.7142)

+ 9 divided by minus 1.7142= minus 5.1688

using the maths laws of multiplication and division of numbers where + and - indicies are used +X+ =+ and + X - = - and - X- = +

you will find answers on the web maths pages

+ 9 divided by minus 1.7142= minus 5.1688

using the maths laws of multiplication and division of numbers where + and - indicies are used +X+ =+ and + X - = - and - X- = +

you will find answers on the web maths pages

Oct 06, 2014 | Office Equipment & Supplies

What is your math problem ?

Mar 05, 2014 | Office Equipment & Supplies

Use the words: decimal part, not decimal fractin

**Any number whose decimal part is periodic (has a recurring pattern that repeats indefinitely) is equivalent to a rational number, IS a rational number**

0.345 345 345 ... =345/999=115/333

In the following screen captures, discard the last digit if it does not belong to a period. It is the effect of rounding up of the calculator

**Period is 345**

**Period is 1**

Period is**09**

Period is** 79**

In general, if you have a decimal part of the form 0.d_1 d_2 d_3....d_n d_1 d_2 d_3 ...d_n ... where d_1 is the first digit of the period, d_2 is the 2nd digit of the period, ..., d_n is the n-th digit (and the last one) of the period, then the fraction representation of

0.**d_1d_2...d_n** d_1d_2... d_n ...=(**d_1d_2...d_n**)/(99...9) where the number of 9's in the denominator is equal to the number of digits in the period.

Once the fraction is found, one should reduce it to its simplest form.

0.345 345 345 ... =345/999=115/333

In the following screen captures, discard the last digit if it does not belong to a period. It is the effect of rounding up of the calculator

Period is

Period is

In general, if you have a decimal part of the form 0.d_1 d_2 d_3....d_n d_1 d_2 d_3 ...d_n ... where d_1 is the first digit of the period, d_2 is the 2nd digit of the period, ..., d_n is the n-th digit (and the last one) of the period, then the fraction representation of

0.

Once the fraction is found, one should reduce it to its simplest form.

Mar 02, 2014 | Office Equipment & Supplies

23 and 3/4

If this is homework, be sure to show your work.

If this is homework, be sure to show your work.

Dec 09, 2013 | Office Equipment & Supplies

With algebra you are learning problem solving-that is the process of problem solving using rules and equations. The best way to learn it is to shut out all distraction and work at it. If there is something you don't understand you may have to go back to the beginning and learn all the principals and rules that you don't understand- Algebra can be a very hard subject but it can be concord with persistence.

Sep 28, 2013 | Office Equipment & Supplies

you cant you have to get a scientific calculator with the carrot symbol like this ^

Sep 14, 2013 | Office Equipment & Supplies

454 grammes to a pound ,use the calculator in the computer but roughly that 1cwt or 100 pounds divided by 14 ,which is 14 pounds to one stone ,wow this takes me back to pre decimalisation

May 19, 2013 | Office Equipment & Supplies

I had the same problem. I'm not sure but I think I replaced the cartridges when the printer was on because I turned the printer off and removed one of the cartridges. When I turned the printer back on it recognized that cartridge but not the others. I turned the printer off again, rmoved all cartiridges and put them back in when the printer was still off. When I turned the printer on again I had no problems. So...try turning off the printer, rmove all cartridges, then put them back in and restart printer. Hope this works for you .

Nov 28, 2007 | Epson Stylus 2200 InkJet Photo Printer

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could i have banged it somewhere hard and made it stop working? i dont think im that uncareful to bang something thats as solid as a rock & damage it.

Not turning on at all

same problem here... the last time i used it was last summer and it worked fine then.tried both the vacuume thing and the brightness thing but neither worked...X(should i open up the calculator and vacuum it?

i can't get it to turn on or reset itself.i even tried putting rechargeable batteries in it.Clues anybody?

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