Question about Sharp El-520x Advanced Scientific Calculator White Bp Package Of 5

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How do i change the view to view rationals in exact form?

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Try pressing the key marked [a b/c] a few times. It toggles between improper fraction, mixed number, and decimal representation.

Posted on Apr 22, 2013

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What is the ration in simplest form 20 to 15 result


it is a 'ratio' not a 'ration'.

So you want the same smallest number that will go into each of the number 20 and 15? Try dividing them both by 5 and tell me what the answer is?

Jan 22, 2017 | The Office Equipment & Supplies

2 Answers

Rational numbers


8.98=898/100
Both numerator and denominator are multiples of 2:The fraction can be simplified further. Simplifying, you get the irreducible form of the fraction as t 449/50.

Sep 06, 2014 | Computers & Internet

1 Answer

What are rational numbers


Use the words: decimal part, not decimal fractin
Any number whose decimal part is periodic (has a recurring pattern that repeats indefinitely) is equivalent to a rational number, IS a rational number
0.345 345 345 ... =345/999=115/333
In the following screen captures, discard the last digit if it does not belong to a period. It is the effect of rounding up of the calculator


3deb58af-3d70-4f55-adc1-35b7c9392031.jpg
Period is 345

7b3e81fc-c59c-455d-a5f2-e4b169925684.jpg
Period is 1
847342a7-5d3b-4604-b706-2ec9853c2dc7.jpg
Period is 09
8f929e6d-512c-41e2-a253-ffa88c0ab74e.jpg
Period is 79
0417fef1-6661-4f31-868f-8202884893ae.jpg

In general, if you have a decimal part of the form 0.d_1 d_2 d_3....d_n d_1 d_2 d_3 ...d_n ... where d_1 is the first digit of the period, d_2 is the 2nd digit of the period, ..., d_n is the n-th digit (and the last one) of the period, then the fraction representation of
0.d_1d_2...d_n d_1d_2... d_n ...=(d_1d_2...d_n)/(99...9) where the number of 9's in the denominator is equal to the number of digits in the period.
Once the fraction is found, one should reduce it to its simplest form.

Mar 02, 2014 | Office Equipment & Supplies

1 Answer

What are rational numbers


A rational number that can written as the RATIO of two whole numbers.
Examples:
1. Any whole number (-1, +13, -57) because they can be written as -1/1, 13/1 , -57/1.
2.Any number of the form a/b where a and be are integers (whole numbers) 1/3 , 17/(-9), 27/11, -17/9
13.572 572 572... where the sequence 572 (called the period) repeats for ever
-29.0123478478 478...
Numbers such as the square roots of numbers that are not perfect squares are not rational. They are irrational numbers. SQRT(2), SQRT(5), SQRT(6), SQRT(7), SQRT(8), SQRT(10), PI, e the base of natural logarithm, sin(22 degrees), cos(58),

Nov 19, 2013 | Computers & Internet

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• What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?


A rational number is that number which can take the form a/b where a and b are non zero integers.
The numerator can easily be divided by the denominator and you get an answer which is exhaustive.

For example 2/5 gives 0.4; 3/10 gives 0.333... this is also rational

Nov 17, 2011 | Mathsoft StudyWorks! Mathematics Deluxe...

1 Answer

Can this calculator find the sum of two rational expressions??


All calculators can calculate the sum of two numerical expressions (no letter symbols).
To be able to declare that this calculator can add two rational expressions ( with letter symbols or not) and displays them as a rational expression (result) I would need to know the EXACT Model.

Aug 15, 2011 | Casio Office Equipment & Supplies

1 Answer

How do you write a rational expression by using a variable instead of an actual number?


A rational number is that number which can be represented as a simple fraction. It takes the form a/b , where a and b are integers and are both not equal to zero.

Jul 25, 2011 | Mathsoft StudyWorks! Mathematics Deluxe...

1 Answer

How do you represent the set of rational numbers in symbol form


hi maybe the formula below will help you

A rational number is a number that can be expressed as a fraction with an integer numerator and a non-zero natural number denominator. Fractions are written as two numbers, the numerator and the denominator, with a dividing bar between them. In the fraction written mn or
61f3a73e6711407c72f79e8deb797c6a.png m represents equal parts, where n equal parts of that size make up one whole. Two different fractions may correspond to the same rational number; for example 1⁄2 and 2⁄4 are equal, that is:
38aeb170898abdf282b4ef5400015067.png If the absolute value of m is greater than n, then the absolute value of the fraction is greater than 1. Fractions can be greater than, less than, or equal to 1 and can also be positive, negative, or zero. The set of all rational numbers includes the integers, since every integer can be written as a fraction with denominator 1. For example −7 can be written −7⁄1. The symbol for the rational numbers is Q (for quotient), also written d45a4aa156a8ac07ab80e7d9cf5fa79f.png.

Jun 27, 2010 | Cobra 29 LTD CB Radio

1 Answer

Answers in decimals


The calculator has two Input/Output modes, MthIO and LineIO. In MthIO the results are displayed as fractions or as radicals or a mixture of fractions and radicals. What it means, is that in MthIO the calculator does exact calculations. Radicals in denominators are gotten rid of by rationalization, fractions are reduced to the same denominators before addition or subtraction. Fractions are reduced to simplest form.

In LineIO all results are displayed as decimal numbers.

If a result is exact (fractions and radicals) it can be changed to decimal form by pressing the S To D key, the one above the DEL key.

MthIO is the default IO mode. To set it, press SHIFT MODE and select 1:MthIO. To set LineIO as the IO mode, press SHIFT MODE and select 2:LineIO

Jan 20, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

TI-89 decimal to fraction


Here is what you do:

1) Press the Mode button.
2) Scroll down the list that appears until you find "Exact/Approx".
3) Change the setting for "Exact/Approx" to Exact.
4) Press enter to save the settings change.

You have three possible settings for "Exact/Approx":
1) Auto - The calculator will try to determine the best format.
2) Exact - The calculator will always give the answer in fraction form.
3) Approximate - The calculator will always give the answer in decimal form.

Nov 15, 2009 | Texas Instruments TI-89 Calculator

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