Question about Texas Instruments TI-30 XIIS Calculator

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How can i graph x cube-9 on my calculator - Texas Instruments TI-30 XIIS Calculator

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For example if you are doing the cube root of 8 (answer is 2)

Type 3
hit shift
Press x of square root key
type 8
Press ans key

Posted on Nov 04, 2009

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Hello,
I am sory but the TI30XIIS is not a graphing calculator. If you had TI 83PLUS, TI84PLUS, TI89Platinum, HP39G, Casio FX-9750G, etc. you would be able yo do that in a cinch.
To show you what it looks like, I am inserting two screen captures.

how can i graph x cube-9 on my calculator - 45cc2e0.jpg

e86fb3c.jpg

I hope you like them.

Posted on Oct 05, 2009

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Posted on Jan 02, 2017

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SOURCE: How would you enter the following equation to

Hello,
To enter the inequation you split it into two inequalities
9919eed.jpg
Graph is as follows
45078e2.jpg
Use [2nd][CATALOG] to access the relaional operators less than or equal, greater than or equal, and the operator AND.
To access the inequality signs scroll upwards from abs( to reach the bottom of the catalog.
Note: You can use t as variable only in parametric graphs. Use x.
Hope it helps.

Posted on Oct 20, 2009

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SOURCE: the calculator doesnt graph two equation on the

The Transfrm application for dynamic geometry is probably active in memory. You must purge it from RAM

  1. Press APPS
  2. Scroll Up or Down (Up is faster) to find Transfm.
  3. Select it and press ENTER
  4. Press the number corresponding to the option Uninstall.
  5. Once the APP is kicked out of memory you will be able to draw multiple functions.

Posted on May 15, 2010

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SOURCE: How do I graph equations

This is the equation of a circle centered on (0,0) and with radius r=3. You can draw it as a conic section.For that you will need the conics application. Look for it on education.ti.com
You can also draw it as two branches: y1=+ square root (9-x^2) and y2=-square root(9-x^2). The two parts may not overlap at the points on the the x-axis, but if you are willing to accept the calculator limitations you will have your graph.

Posted on May 22, 2011

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1 Answer

Why does the TI-nspire not give complete graphs of cube root and other franctional power functions?


I do not see why it would do that. Maybe you restricted the domain to positive values of the independent variable.
Anyway, my CX CAS has the latest OS version and it draws cube root for positive and negative values of x.
By the way the cube root is made up of one branch only, not 2 like the square root.
Here is a screen capture.

11_7_2012_1_19_42_am.png

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For example y=x^(1/3)-x+1. Type this function and then graphing it!
See captured images

12_7_2011_10_52_19_pm.jpg

12_7_2011_10_52_37_pm.jpg

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1 Answer

When I try to graph something, I see the graph, but I no longer see the x and y axis. This happened on my TI-89 titanium


Enter a function in Y= Editor, then draw its graph.

k24674_122.jpg

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k24674_123.jpg

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k24674_124.jpg

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hope that helps :)

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1 Answer

Hi, I wonder how to use a TI89 to graph a multivariable functions's 3D picture. Thanks.


Hello,

First you must configure your calculator to perform 3D graphics
Press MODE
1.The first line shown is Graph. Unfold the hidden menu list with the right arrow and choose Graph 5:3D
2. Press ENTER to validate.

Now you must define the surface you want to draw
1. Press the [diamond] key then [Y=] to get a list of function names, the first of which is z1
2. Enter the following function (or your own) z1=(x^3*y-y^3*x)/390
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3 Press ENTER.

Graph the function
Press the [diamond] key then [GRAPH]

The graphing screen displays progress in %. When it is finished you will see a weird sombrero.

Hope it helps

Mar 21, 2011 | Texas Instruments TI-89 Calculator

2 Answers

How do I do 3D graphs on a TI-89?


Hello,

First you must configure your calculator to perform 3D graphics
Press MODE
1.The first line shown is Graph. Unfold the hidden menu list with the right arrow and choose Graph 5:3D
2. Press ENTER to validate.

Now you must define the surface you want to draw
1. Press the [diamond] key then [Y=] to get a list of function names, the first of wich is z1
2. Enter the following function (or your own) z1=(x^3*y-y^3*x)/390
( x cubed times y -y cubed times x) divided by 390.
3 Press ENTER.

Graph the function
Press the [diamond] key then [GRAPH]

The graphing screen displays progess in %. When it is finished you will see a weird sombrero.

Hope it helps

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1 Answer

Graph a cubed root fuction on ti-89


Hello,
Here it is
[Diamond][Y=] enter y1=(2-X)^(1/3)
[Diamond][GRAPH]

30831a2.jpg

Hope you liked the graph

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Cube root


x ^ ( - 1 / 3 )
You have to use parentheses around the negative 1/3.

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