Decimal to fraction - Canon F-502 Calculator

Fractions can be more precise than decimals. For example: 1/3 can not be expressed exactly as a decimal. .33333333333333333333333333333333333333333... is only an approximation.
Some numbers cannot be expressed precisely as either a fraction or a decimal. pi is an example.

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The way it works is as follow. If a result is displayed as a fraction you can convert it to its decimal representation. If you do nothing after the conversion, you can revert the decimal representation to the fraction.

The F-D key converts a displayed result from fraction to decimal and vice-versa.
If in the polynomial expression a numerical coefficient is a fraction just enter it as a fraction, possibly enclosed in parentheses. If it is a decimal number just enter it as a decimal number. Converting it to a fraction is not going to generate any more precision in the result. You lose precision when you go from fraction to decimal, but you do not make a number more precise by converting it from a decimal representation to a fraction.

If You Want to Convert Decimal to Fraction for your maths class. These types of calculations are we can learn on 5th to 10th Standards. If you are studying in 5th to 10th class and you don't know how to convert your decimal number to fraction number. You want to learn about decimals and fractions.

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Pressing the [S

To convert a fraction to a decimal or a decimal to fraction you use the [a b/c] key.
While converting a fraction to a decimal number is always possible, converting a decimal to a fraction may, at times, not be possible.

To convert fractions to decimals, and decimals to fractions use the [a b/c] key. If the total number of symbols (num, denom, fraction bar) to display a fraction exceeds 10, the fraction is automatically converted to decimal format.

For converting answers in decimal to fraction or fraction to decimal there is a S<->D key above delete key.If the answers is in fractional form press this key and it will be converted to decimal form.

If you enter an improper fraction or a mixed fraction with the the [a b/c] key it will be displayed as a fraction. This result being displayed you can press the [F-D] key to convert the fraction to decimal. If you do nothing else and you press the [F-D] key again, the original fraction will be restored.

However, it seems that you cannot enter an arbitrary decimal number and convert it to a fraction. The [F-D] key seems to work one way : from a fraction to a decimal number. You will only recover a fraction if the original number was a fraction.

Hello,
Once you enter a fraction the calculator calculates it and displays a decimal result.So basically you cannot do fraction manipulations. However you can convert a decimal result into a fraction. To do the conversion, you enter the decimal number then you Press [MATH] and [1]. ( -->Frac) The number will be converted.
Similarly you can enter a fraction to a decimal number (-->Dec)
[MATH] [2:] [ENTER]. But I see no point in doing that, because any fraction entered is displayed as a decimal number.

Hope it helps