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How do u graph fractions in piecewise - Texas Instruments TI-84 Plus Calculator

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Y1=(first piece)(first condition)+(second piece)(second condition)+...
http://www.tc3.edu/instruct/sbrown/ti83/funcpc.htm

Posted on Mar 13, 2011

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How to calculate fractions in hp 50g


For such a sophisticated calculator (computer) a simple thing like entering a fraction seems too difficult to explain. There are a great number of scientific calculators that handle fractions easily.
Anyway, to manipulate fraction without their being calculated numerically, you must use the CAS.
Press MODE then F3 CAS.
In the CAS screen, move cursor to the _numeric option. If it is cheked, uncheck it by pressing F3:Check.
Press OK to exit the CAS configuration screen. Press OK again to exit the MODE screen.
You can know enter fractions using the division key (Z)
If you type 1/5 + 13/7 you will see 72/35

Now if you enter 1/5 then press the ENTER key you will see 1/5. But if you add to that 13/7 you will see 1/5+13/7 and the result will not be calculated. To calculate the resulting fraction you must press EVAL (Green Left Shift ANS) ENTER.
As you can see, this is not the most efficient way to handle fractions.

Aug 29, 2012 | HP50G Graphing Calculator

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How do i graph piecewise functions on the fx-9750GII


You must graph each part as a whole function and just pay attention to the one section in the bounds that it is active for. There is no way to only graph part of a function.

Sep 13, 2011 | Casio FX-9750GPlus Calculator

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I don't remember how to type a piecewise function into the y= screen so that i can specify i want one graph (.5x+5) from 0<x<10 and the other (10+2x) x>10


Here is an absurd example of a piecewise function
Y1=11 for X less than 10
Y1=3 for X in the range [10, 20[
Y1=X+5 for X in the range [20, 30[
Y1=10 for X larger than 30

Here is the screen capture of the Y= editor window.
You have
  1. the definition of the function within a domain, enclosed in () followed by the domain enclosed in ()
  2. a + to introduce the second piece (definition) (domain)
  3. + a third piece (definition ) (domain)
  4. and so on.
  5. Use the [2nd][TEST] key sequence to access the relational operators, less than, greater than, etc.
Here are two screen captures for the Y= editor and the resulting graph. You have to play with the window dimension to display a clear graph. Note : 3 pluses in equation, 4 pieces in graph.
The + in the definition of the function, (X+5) in the third interval does not count towards the number of pieces.

eb3069c.jpg

cd185fa.jpg

You can use the logical AND operator in the definition of the limits of a domain. See screen capture below.
51a3461.jpg

Jan 20, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do i type a fraction in my Texas Instruments TI-84 Plus Graphing Calculator


The TI-84 doesn't really work with fractions. Type in a fraction as a quotient. For example, to type in one-half, type ( 1 / 2 ).

Oct 21, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do you type a piecewise function into the TI-84?


Here is an asurd example of a piecewise function
Y1=11 for X less than 10
Y1=3 for X in the range [10, 20[
Y1=X+5 for X in the range [20, 30[
Y1=10 for X larger than 30

Here is the screen capture of the Y= editor window.
You have
  1. the definition of the function within a domain, enclosed in () followed by the domain enclosed in ()
  2. a + to introduce the second piece (definition) (domain)
  3. + a third piece (definition ) (domain)
  4. and so on.
  5. Use the [2nd][TEST] key sequence to access the relational operators, less than, greater than, etc.
Here are two screen captures for the Y= editor and the resulting graph. Yoy have to play with the window dimension to display a clear graph. Note : 3 pluses in equation, 4 pieces in graph.

eb3069c.jpg

cd185fa.jpg



Mar 09, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Where is the fraction button


Press MATH to display the MATH menu. >Frac converts a decimal to a fraction, >Dec converts a fraction to a decimal.

Feb 08, 2010 | Texas Instruments TI-83+ Graphing...

1 Answer

Calculate Menu Problems


If you have more than one function graphed, use Up/Down to select the one you want. Press Left/Right to select the point at which you want the derivative, then press ENTER to see the value of dy/dx.

Oct 06, 2008 | Texas Instruments TI-83 Plus Calculator

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