Fractional values of numbers with `double`
Use a double to store a number that has values after the decimal point.
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The int data type only represents numbers without a fractional part. What if we want to store an approximation for π in a mathematics program? We can use a different data type, called a double, to store numbers that have values after the decimal point. double is short for double-precision floating point. Floating point means that there is a decimal point that can be placed at ...