Texas Instruments TI-83 Plus Calculator "old" Questions

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Bob was thrice as old as peter. Six years ago he

bob was thrice as old as peter. Six years ago he was 4 times as old as peter . Find their ages now? Correction: Bob is thrice as old as Peter.Let b be the current age of Bob, and p the current age of ...

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I have an old Aurora EB964 Fold up Big Number Dual...

I have an old Aurora EB964 Fold up Big Number Dual... I have an old Aurora EB964 Fold up Big Number Dual Power Calculater. Need to replace battery but have lost old one. Need a reference #. GP189

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Percent of increase

percent of increase what is the percent of increase from 8640.00 to 8900.00? change =(new value-old value)/(old value) Percent change =change*100 % change=(8900.00-8640.00)/8640.00=0.0301 Percent ...

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I have an old TI 85 that my son wants to use. I put fresh batteries in, but the old reserve battery was still in. Tried turning it on, but got multiple vertical lines on the screen. Solution?

I have an old TI 85 that my son wants to use. I put fresh batteries in, but the old reserve battery was still in. Tried turning it on, but got multiple vertical lines on the screen. Solution? I would ...

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Decimal Display

Decimal Display I have an old TI BA-11 calculator and the decimal display has changed. It only displays to the tenths. I need it to display to the thousandths. Anyway, it is so old that the upper ...

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Tom is 5 times as old as todd.In seven years

Tom is 5 times as old as todd.In seven years Tom's age will be 6 years more than 3 times as old as Todd. How old is Todd Todd is 4 years old. Let Tom's age = X Let Todd's age = Y From the ...

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"quadratic function" diophantus , a greek

...years after his marriage his son was born but died 4 years before his own death a half his age. how old when diophantus died? Let x be Diophantus' age when he died. His son died 4 years before ...

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I dont have a users guide for my old ti-35 calculator.

I dont have a users guide for my old ti-35 calculator. Could you find me a users handbook pdf for my old ti-35 calculator? Yes here: http://www.datamath.net/Manuals/TI-35PLUS_US.pdf Rate me, thanks.

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I am looking on Craigs

I am looking on Craigs list at a TI-83 plus that is 5 yrs. old. Is this unit as good as a new one? ( or one that is two yrs. old) A TI-83 Plus is a TI-83 Plus. An old one may not have the most current

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The sum of ages of

the sum of ages of marian, diana and carlos are 17. Two years from now marian will twice as old as diana. if carlos is half as old as marian four years from now. How ald are they now ? Pls show the ...