Texas Instruments TI-83 Plus Calculator "instrument calcualtor" Questions

How or where I can fix it? The calcualtor did not turn on. I changed the batteries already. My son told me that it felt down into the floor. I found a place in PR to fix the problem

How to enter functions on calcualtor IE 9+((-8)+4)^2 Almost exactly as you typed it: 9 + ( 8 +/- 4 ) y^x 2 = +/- is just to the right of the decimal point, y^x is just above the divide.

how to use a ti-36x calculator for algabraic calculations im trying to use my new calcualtor for equations such as -9y-2x-5x=? And i no longer have the guide for it, can someone help me please? You ...

i need to print out the user guide for TI-30Xa Solar Calculator i need to beable to print out the user guide for the TI-30Xa Solar calcualtor........Can you send me in the right direction? I was able ...

my display needs to be darker on my TI-85 calcualtor You can increase the contrast by pressing and releasing the 2ND button, then pressing and holding the up-arrow. If you go too far, you can decrease

Everytime i turn my calculator on the screen is black it's a like a black rectangle. how can i fix this and get my calcualtor working normally again? Adjust the screen contrast. Turn the calculator on

cube roots on ti89 how do i do cube roots on my ti89 calculator The TI-89 has one function to find whatever root you want of a number. To find the cubed root of say...64, you would type: root(64,3) ...

my computer wont read my calculator and my calc. wont work i tried to install a new operating system on my calculator and stupid me forgot to back my files up, it didnt go threough with the whole ...

TI-82 I am attempting to calculate a natural logarithm. There is no INV key that I know of on this calcualtor although I do have an ex key. Any ideas on how I might go about doing this without the INV

Big problem I go to turn on the calculator but the screen will only show up sometimes and it will flash on qiuckly then turn off. I don't know if it was wrecked but I was wondering what you could do ...