Decimal and Fraction Calculator

Decimal
- ･Decimal to Fraction　Converts the input decimal into a fraction.
- ･Repeating Decimal to Fraction　Converts the input repeating decimal into a fraction.
- ･Decimal to Percentage　Converts the entered decimal number into a percentage.
Fraction
- ･Fraction to Decimal　Converts the entered fraction into a decimal.
- ･Fraction to Percentage　Converts the entered fraction into a percentage.
- ･Improper Fraction to Mixed Fraction　Converts the input improper fraction into a mixed fraction.
- ･Mixed Fraction to Improper Fraction　Converts the input mixed number into an improper fraction.

This program performs calculations with decimals and fractions, including conversion between decimals and fractions and the four basic arithmetic operations.