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Where is the percent key on ti 86 - Texas Instruments TI-86 Calculator

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How to calculate cube root on simple calculator


That depends on how simple a calculator. I'll give some examples below for calculating the cube root of 8.

On a TI-86, press 3 2nd [MATH] F5 MORE F4 8 ENTER

If the calculator has a "^" or "y^x" key, raise 8 to the 1/3 power. Again, on the TI-86, press 8 ^ ( 1 / 3 ) ENTER

If the calculator has a logarithm key, take the logarithm, divide it by three, then take the antilogarithm. Again, on the TI-86, press 2nd [e^x] ( ln 8 / 3 ) ENTER

On a slide rule, place the hairline over the number on the K scale and read the cube root on the D scale.

Jan 10, 2013 | Texas Instruments TI-86 Calculator

1 Answer

I've had my ti-86 for a very long time & recently it just quit working. I changed the AAA batteries & the back up battery & it will not come back on. Please help???!!!!


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible. Does it?

Dec 02, 2011 | Texas Instruments TI-86 Calculator

1 Answer

Ti-86 calculator screen is black how do i turn it back to normal


Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow key for a couple of seconds until the screen lightens. If you go too far, repeat the process with the 2nd and up-arrow keys.

Feb 01, 2011 | Texas Instruments TI-86 Calculator

1 Answer

Ti-86 screen turned black after replacing the batteries


Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow key until the screen lightens. If you go too far, press and release the 2nd key and then press and hold the up-arrow key.

Sep 13, 2010 | Texas Instruments TI-86 Calculator

1 Answer

Ti 86 will not turn on (I replaced the batteries).


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Aug 23, 2010 | Texas Instruments TI-86 Calculator

1 Answer

I turn on the TI-86 and the entire screen is dark. What should I do?


Adjust the screen contrast. Turn on the calculator. Press and release the 2ND key, then press and hold the down-arrow key for a couple of seconds. If you go too far, use the 2ND and up-arrow keys.

Jul 06, 2010 | Texas Instruments TI-86 Calculator

1 Answer

How do you do exponents on a texas instruments Ti-86 calculatar


Use the ^ key, located just above the divide key. For example, to calculate two to the fourth power, press 2 ^ 4 ENTER

May 19, 2010 | Texas Instruments TI-86 Calculator

1 Answer

What is the cube root function on the ti-86


look under math calc and there should be an x^3 key

Sep 29, 2009 | Texas Instruments TI-86 Calculator

2 Answers

A friend gave me a TI-86 graphing Calc. I wont turn on!!!


maybe try changing the small memory battery inside, I think its a cr1616 or cr1620. If this doesn't work use it as a paperweight.

Apr 23, 2009 | Texas Instruments TI-86 Calculator

2 Answers

How to open (remove) TI-86 Keyboard


There are screws on the back. unscrew those carefully and then pull the two sides apart and start cleaning. GOOD LUCK

Jan 19, 2008 | Texas Instruments TI-86 Calculator

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