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Where to find the exclamation mark on the TI-84

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MATH [PRB] 4

Posted on Jun 03, 2014

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SOURCE: Change TI 84 OS to TI 89 OS??

And why, pray tell, would you do such a thing? You will ruin your Ti84 Plus Silver Edition and will not have a working TI89. Besides, TI connect will refuse to transfer it.
If you like the capabilities of the TI89 Titanium, buy a cheap or used one on e-bay or amazon.com and spare your TI84PLus SE.

Posted on Feb 14, 2010

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Cant find the reciprical key on a TI-84


The key is marked x-superscript-negative-one and is just below the MATH key on the leftmost column of the keyboard.

Feb 11, 2014 | Texas Instruments TI-84 Plus Calculator

1 Answer

Ln in the ti 84 caculator


The natural log is marked "LN" and is on the key just to the left of the "4" key.

Nov 07, 2013 | Texas Instruments TI-84 Plus Calculator

1 Answer

Where is the apps button on the ti 84?


Three buttons above the "7" button, marked "APPS".

Jun 15, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

I can not find the arc key or the INV key


The INV key that you may find on some scientific calculators has, on the TI 83/84/ Plus calculators, an equivalent key marked [2nd].

On the TI83/84 Plus, each trigonometric function has a second marking [SIN^-1], [COS^-1] or [TAN^-1]. To calculate the inverses of trigonometric functions ( arc sine, arc cosine, arc tangent) you press [2nd] followed by the relevant trigonometric function key For example, [2nd] [SIN] displays sin^-1( on the command line.

Unfortunately the hyperbolic functions and their inverses are only accessed through the CATALOG. You press [2nd][0] to open the CATALOG. Then you scroll down the CATALOG list to reach cosh(, cosh^-(, sinh(, sinh^-1(, tanh(, or tanh^-1(.
To speed the search in the catalog, you use the ALPHA keyboard: To reach cosh(, press[PRGM] and you scroll down from there.

Feb 27, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Hey, how do you enter minutes into a TI-84? (I'm doing problems with degrees, and one has minutes added onto the degrees)


The notation for minute is a single quotation, ' . To access this symbol, press the 2nd key, then the Angle key. The single quotation mark is the second option on the menu that comes up after pressing 2nd+Angle.

Apr 08, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Need to know how to use the sin function on the ti 84 plus calculator


That is simple. It is a function like any other.
Press the key marked [SIN]
Screen displays sin(
Enter the value of the angle (make sure the current angle unit is the appropriate one).
Close the right parenthesis and press [ENTER]

Feb 05, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I know this is ridiculous, but I've been looking all over the internet to find where Stat plot is on my TI 84 and can't find it. Help?


It's the shifted function of the F1 key (marked "Y=") at the very top left of the keyboard, below the display and above the 2ND key.

Jan 10, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

What is the shortcut to find % on TI-84


Sorry to disappoint you but the % key or command does not exist on the TI83/84 family of calculators. Just divide or multiply by 100 depending on which way you are going: From % to decimal or decimal to %.
Simpler still move: decimal mark two places to left (% to decimal) or to right (decimal to %).

Sep 17, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

How do i do reciprocals on the TI-84


There is a key on the left column of keys, below the MATH key and above the x^2 key. It is marked with an x raised to power of -1.
It computes the reciprocal of the number displayed.

Aug 25, 2010 | Texas Instruments TI-84 Plus Calculator

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