Fractions Calculator

This application is available on the App StoreSM.

This calculator is for addition, subtraction, multiplication, and division of fractions. It can be used for both positive and negative values.
The result of the calculation can also be converted from a fractional result to a decimal result.
You can calculate fractions, mixed fractions, and do calculations with a fractional number and a decimal number.
Instructions are included in the application as well.

UPDATE September 13, 2010 - Version 4.3
is available on the App Store!
What's new!
Changed app settings.
To change the settings:
On the Options Menu, press the "Settings" button.
Then press the button for the option you want.

New app icon.


MAIN CALCULATOR

MIXED FRACTIONS CALCULATOR

FRACTIONS AND DECIMALS CALCULATOR



 INSTRUCTIONS

*MAIN CALCULATOR INSTRUCTIONS*


TO ENTER A FRACTION:
First enter the numerator, then press the "Fraction" button.
Then enter the denominator.
Example:
3 "Fraction" 4 enters the fraction 3/4

TO ADD:
Enter the first value then press the "+Add+" button.  Then enter the second value and press the "=" button.  The result will be displayed on the screen.
Example:
1/4 "+Add+" 1/2 = 3/4

TO SUBTRACT:
Enter the first value then press the "-Subt-" button.  Then enter the second value and press the "=" button.  The result will be displayed on the screen.
Example:
3/4 "-Subt-" 1/2 = 1/4

TO MULTIPLY:
Enter the first value then press the "*Mult*" button.  Then enter the second value and press the "=" button.  The result will be displayed on the screen.
Example:
1/2 "*Mult*" 1/2 = 1/4

TO DIVIDE:
Enter the first value then press the "/Divide/" button.  Then enter the second value and press the "=" button.  The result will be displayed on the screen.
Example:
1/2 "/Divide/" 1/2 = 1

TO CONVERT A SINGLE FRACTION TO A DECIMAL:
Enter the fraction to be converted then press the "+Add+" button followed by "0" then press "=".
After the single fraction is displayed on the screen, press the "Convert" button.
Example:
3/4 + 0 = 0.75

TO CONVERT A FRACTIONAL RESULT TO A DECIMAL:
After the result is displayed on the screen, press the "Convert" button.
Example:
1/16 + 2/16 = 3/16
"Convert"
And you see that 3/16 is 0.1875

TO ENTER A NEGATIVE NUMBER:
Press the "-Subt-" button before entering the number.

TO ENTER A MIXED FRACTION SUCH AS 1 1/4:
Enter the value as an unreduced fraction.  Such as 5/4
You can also calculate mixed fractions by pressing the "More" button, then pressing the "Calculate with mixed fractions" button.  (see Mixed Fractions Calculator Instructions).

TO REDUCE A FRACTIONAL RESULT:
To reduce a result, press the "Reduce" button.
Example:
You have a result of 51/5
Press "Reduce" and you will see that 51/5 = 10 1/5

NOTE:
If you have converted your result to a decimal using the "Convert" button, pressing "Reduce" will display the value as a reduced fraction again.

If the "Clear" button is pressed, the result is cleared.  The "Reduce" and "Convert" options must be used before pressing the "Clear" button.

TO CLEAR THE SCREEN:
Press the "Clear" button.

TO CLEAR AN ERROR MESSAGE FROM THE SCREEN:
If you have an error message displayed on the screen, press the "Clear" button to remove it.


*MIXED FRACTIONS CALCULATOR INSTRUCTIONS*


TO ENTER A FRACTION:
Touch the box for the number you want to enter.  You will see the keyboard appear at the bottom of the screen.  Type the number you want to enter.  Touch another box to enter the rest of your fraction's value.  Press the blue "Done" key on the keyboard when you are finished.

TO ADD:
Press the "+Add+" button.  You will see the box in between the two fractional values will display the "+" sign.  When both fraction values are entered, press the "=Enter=" button to see the result.

TO SUBTRACT:
Press the "-Subt-" button.  You will see the box in between the two fractional values will display the "-" sign.  When both fraction values are entered, press the "=Enter=" button to see the result.

TO MULTIPLY:
Press the "*Mult*" button.  You will see the box in between the two fractional values will display the "x" sign.  When both fraction values are entered, press the "=Enter=" button to see the result.

TO DIVIDE:
Press the "/Divide/" button.  You will see the box in between the two fractional values will display the "/" sign.  When both fraction values are entered, press the "=Enter=" button to see the result.

TO CONVERT A SINGLE FRACTION TO A DECIMAL:
Enter the fraction to be converted into either fraction area.  Then press the "=Enter=" button to see the result.

TO CONVERT A FRACTIONAL RESULT TO A DECIMAL:
After the result is displayed on the screen, press the "Convert" button.
Example:
1/16 + 2/16 = 3/16
"Convert"
And you see that 3/16 is 0.1875

TO ENTER A NEGATIVE NUMBER:
Type a "-" sign before typing the number.
Example:
-1 1/4 is typed -1 1/4
-3/4 is typed -3/4
-2 1/5 is typed -2 1/5

TO REDUCE A FRACTIONAL RESULT:
To reduce a result, press the "Reduce" button.
Example:
You have a result of 51/5
Press "Reduce" and you will see that 51/5 = 10 1/5

TO REDUCE A SINGLE FRACTION:
Enter the fraction to be converted into either fraction area.  Then press the "=Enter=" button to see the result.

TO CLEAR THE SCREEN FOR A NEW CALCULATION:
Press the "Clear" button.

TO RETURN TO THE MAIN FRACTION CALCULATOR:
Press the "Done" button.  You will be returned to the main calculator.


*FRACTIONS AND DECIMALS CALCULATOR INSTRUCTIONS*


TO ENTER A FRACTION:
Touch the box for the number you want to enter.  You will see the keyboard appear at the bottom of the screen.  Type the number you want to enter.  Touch another box to enter the rest of your fraction's value.  Press the blue "Done" key on the keyboard when you are finished.

TO ENTER A DECIMAL:
Touch the box for the decimal value you want to enter.  You will see the keyboard appear at the bottom of the screen.  Type the number you want to enter.  Press the blue "Done" key on the keyboard when you are finished.

TO ADD:
Press the "+Add+" button.  You will see the box in between the two values will display the "+" sign.  When both values are entered, press the "=Enter=" button to see the result.

TO SUBTRACT:
Press the "-Subt-" button.  You will see the box in between the two values will display the "-" sign.  When both values are entered, press the "=Enter=" button to see the result.

TO MULTIPLY:
Press the "*Mult*" button.  You will see the box in between the two values will display the "x" sign.  When both values are entered, press the "=Enter=" button to see the result.

TO DIVIDE:
Press the "/Divide/" button.  You will see the box in between the two values will display the "/" sign.  When both values are entered, press the "=Enter=" button to see the result.

TO CONVERT A SINGLE FRACTION TO A DECIMAL:
Enter the fraction to be converted then press the "=Enter=" button to see the result.

TO ENTER A NEGATIVE NUMBER:
Type a "-" sign before typing the number.
Example:
-1 1/4 is typed -1 1/4
-3/4 is typed -3/4
-2 1/5 is typed -2 1/5

To enter a negative decimal value, type a "-" sign before typing the decimal value.

TO CONVERT A DECIMAL RESULT TO A FRACTION:

After the result is displayed on the screen, press the "Convert" button.
Note - Accurate to 6 decimal places.

TO SWITCH THE LOCATION OF THE DECIMAL AND FRACTIONAL VALUE:
Press the "Switch" button.

TO CLEAR THE SCREEN FOR A NEW CALCULATION:
Press the "Clear" button.

TO RETURN TO THE MAIN FRACTION CALCULATOR:
Press the "Done" button.  You will be returned to the main calculator.


*APP SETTINGS INSTRUCTIONS*


*INSTRUCTIONS FOR VERSION 4.3*

TO CHANGE THE BACKGROUND COLOR:
On the Options Menu, press the "Settings" button.  Then select the color you want.

TO SELECT WHICH CALCULATOR THE APP OPENS WITH:
On the Options Menu, press the "Settings" button.

To start with the main calculator, press the "Main Calculator" button.

To start with the mixed fractions calculator, press the "Mixed Fractions Calculator" button.

To start with the fractions and decimals calculator, press the "Fractions and Decimals Calculator" button.


*INSTRUCTIONS FOR VERSION 4.2*

TO CHANGE THE BACKGROUND COLOR:
Exit the app, and open the "Settings" app on your device.  Press the "Fractions Calculator" button.  Then press the "Background Color" button.  Then select the color you want.

TO SELECT WHICH CALCULATOR THE APP OPENS WITH:
Exit the app, and open the "Settings" app on your device.  Press the "Fractions Calculator" button.  Then press the "Starting Calculator" button.

To start with the main calculator, press the "Main Calculator" button.

To start with the mixed fractions calculator, press the "Mixed Fractions Calculator" button.

To start with the fractions and decimals calculator, press the "Fractions and Decimals Calculator" button.



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