Question about Texas Instruments TI-86 Calculator

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Posted on Jan 02, 2017

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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

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

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

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

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

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.

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

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

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]

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

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

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 %).

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...

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.

It computes the reciprocal of the number displayed.

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

Check the following:

*TI*-*84 Plus TI*-*84 Plus* Silver Edition Guidebook

*TI*-*84* Plus *TI*-*84* Plus Silver Edition Guidebook

Introduction tothe*TI*-83 *Plus* and *TI*-*84 Plus*

A collection of activities for the*TI*-83 and *TI*-*84 Plus*

Part II: Texas Instruments*TI*-83, *TI*-83 *Plus*, *TI*-*84 Plus* Graphics

Introduction tothe

A collection of activities for the

Part II: Texas Instruments

Mar 21, 2009 | Texas Instruments TI-84 Plus Calculator

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