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How do you input absolute values - Casio FX-115ES Scientific Calculator

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Hello,
You have a key to enter absolute values. Press [SHIFT][Abs]. It shares position with [HYP] key.
Hope it helps.

Posted on Oct 03, 2009

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1 Answer

How can I find the mean absolute deviation?


Mean absolute deviation.
Let's break it down into its components.
Mean - Average
Absolute - absolute value - sign doesn't matter - if negative, make positive
Deviation - difference from the mean

Let's do an example. Population 3 7 4 2. Total 16. Mean (Average) 16/4 = 4.

Deviations
3 - 4 = -1 absolute value 1
7 - 4 = 3
4 - 4 = 0
2 - 4 = -2 absolute value 2

Sum of these deviations 1 + 3 + 0 + 2 = 6
Mean (average) of these deviations is 6 / 4 = 1.5.

Good luck,

Paul

Apr 05, 2016 | Texas Instruments TI-30Xa Scientific...

2 Answers

Anyone know how I can do Absolute Value on this?


The quick way to determine absolute value is to square the value and take the square root of that.
So on the TI, with the value on-screen, just push these 2 keys in sequence (they are right next to each other):
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Jun 04, 2015 | Texas Instruments TI-36 X Solar Calculator

1 Answer

How do i solve equations involving absolute value


You must consider two cases.
1st case: What is inside the absolute value symbols is supposed positive. Remove the absolute value symbols and proceed to solve.
2nd case: What is inside the absolute value symbols is supposed negative. Enclose the contents of the absolute value within parentheses, put a negative sign in front the left parenthesis, and proceed to solve.
Gather the solutions obtained in the two cases. Use a Union symbol for the solution set.

Oct 08, 2014 | Office Equipment & Supplies

1 Answer

Absolute value


To access the absolute value command, got to Run/Mat screen and press OPTN. Press F6> the F4:NUM, then F1:Abs
In the Y= entry screen, press OPTN, then F5:Num, F1:Abs. enclose the argument of the function inside parentheses.
Here are two screen captures to show how it is done.

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Aug 25, 2013 | Casio FX9750GII Graphic Calculator

1 Answer

Graph each absolute value y-|3-x|


To access the absolute value command, got to Run/Mat screen and press OPTN. Press F6> the F4:NUM, then F1:Abs
In the Y= entry screen, press OPTN, then F5:Num, F1:Abs. enclose the argument of the function inside parentheses.
Here are two screen captures to show how it is done.

958fd7eb-d132-4cd6-98ff-2f38d6edba28.png

e3b91811-2f68-4e9d-88e3-5c2535ca08f3.png

Aug 25, 2013 | Office Equipment & Supplies

2 Answers

How do you solve for an inequality with an absolute value using functions on calculator? (example |x-1|<9


Sorry, the calculator cannot solve such ualities (nothing to do with the absolute function).
To find the solution set you need to study the two cases for the absolute value.
Case 1
If x-1> 0, the absolute value is x-1. The inequality takes the form x-1<9. You can solve it as x<10

Case 2
If x-1<0, then the absolute value is 1-x. The inequality becomes 1-x<9. The solution for this inequality is x>-8

Combine the two domains to find the intersection
-8<x<10


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Sep 13, 2011 | Casio FX9750GII Graphic Calculator

1 Answer

Why /5/=5 and /-5/=5?


Those are absolute value signs. Absolute value is defined as a number's distance from 0. So both 5 and -5 are a count of 5 away from 0 therefore the absolute value of both 5 and -5 would be 5.

I hope this helps! If this did help you, please give a thumbs up!

Jun 28, 2011 | Computers & Internet

1 Answer

I try to graph an absolute value on my Ti 89 and I put the inequality in right but when I go to graph it my calculator says undefined variable.


If you want to graph the absolute value of a function, feed the function to the absolute value ie graph y= abs(f(x)). The calculator will take care of it. See screen captures where I draw the function y1=x^3-5x^2-3 and y2='x^3-5x^2-3'. On the first graph the function is represented and on the second the function and its absolute value.

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The calculator knows how to calculate the absolute value of an expression. The name of the command is abs(

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May 08, 2011 | Texas Instruments TI-89 Calculator

1 Answer

Two conditions in absolute value


This snippet will give you the absplute value of x:
x > 0 ? x : -x

Jan 10, 2010 | Computers & Internet

1 Answer

Absolutes on FX - 115ES


The absolute value button is "SHIFT", "Abs" (located on the "hyp" key)

Apr 07, 2009 | Casio FX-115ES Scientific Calculator

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