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Maths TI-82 calculator won't turn on - am i screwed?

I've replaced the batteries with brand new ones (both the AAA's and the circle one) and it wont turn on.

It didn't suddenly just stop working ,it told me i had to put new batteries in but i couldnt be bothered but then it eventually just didnt turn on again.

I have C3 and C4 in 2 weeks..I can't afford a new one..what do i do? Any advice on how to get it up and running again?

p.s i have tried fiddling with the contrast.

Reply 1

impervious

15

Sometimes after removing the back up battery (button one) you have to hit the reset button for it to then turn on. If this fails you could either try and cope with a scientific or borrow one for the exams. Im sure your teacher would allow you to borrow a graphic one for the exam no?

Reply 2

nick-33

OP

1

I think i could find one to do the exam with but I need it to work for revision!

Plus it has some resale value if it actually works it was bloody expensive

Any other tips to get it on again? Only had it 18 months i see no reason why it should be kaput

Reply 3

Mad Vlad

19

Is the reset button stuck in?

Reply 4

Mr Nonsense

13

i always found with my calculator, as did everyone else at school about 30 mins into GCSE maths exam (it musta been the calcs they gave us all in year 9...) that a firm smack on the table would get it going again.

Worth a try!

Reply 5

Shayke

1

nick-33

it told me i had to put new batteries in but i couldnt be bothered

Well, what do you expect?

If there's a reset button, try that. Or find the instructions and see if there's anything in there to help troubleshoot.

Reply 6

nick-33

OP

1

Shayke

Well, what do you expect?

I expected to be able to put new batteries in it when they run out and for it to turn on again :P

Thanks for tips so far guys, none of them have done the trick as of yet ;(

Reply 7

nick-33

OP

1

Bloody hell I am such a prat..

Turns out the 'brand new' batteries I tried out were in fact duds.. :biggrin:

Its working now

Thanks for help though guys :smile:

Reply 8

Simplicity

17

This is why you shoudln't let people use calculators like that.

nick-33

Turns out the 'brand new' batteries I tried out were in fact duds.. :biggrin:

Its working now

Reply 9

nick-33

OP

1

haha shh i'm too relieved to care

smooth nick ;-)

OP

mattbrandon91

smooth nick ;-)

haha shut up i was genuinely worried, the only way I can manage even basic c3 graph transformations is with my blue badboy calc

Reply 12

Simplicity

17

I hope you fail, cheater.

Reply 13

mattbrandon91

nick-33

haha shut up i was genuinely worried, the only way I can manage even basic c3 graph transformations is with my blue badboy calc

that calculator is far more useful than i thought, zack showed me how to do the integral area thing, its so helpful as a check for c4. apparently you can do it for volumes of revolution too, but i'm not sure how.

Reply 14

impervious

15

Simplicity

I hope you fail, cheater.

Who said anything about cheating :P

Reply 15

nick-33

OP

1

mattbrandon91

that calculator is far more useful than i thought, zack showed me how to do the integral area thing, its so helpful as a check for c4. apparently you can do it for volumes of revolution too, but i'm not sure how.

Volume of revolution is just the same really

Area under the curve xsquared between 0 and 1 :
fnInt( x^2, x, 0, 1 )

Volume of revolution of curve xsquared between 0 and 1:
fnInt( pi(x^2)^2, x, 0, 1 )

So the only difference is you replace what y equals with .. pi times (what y equals, squared.)

Maths TI-82 calculator won't turn on - am i screwed?

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