C# High double precision

Question

I\'m writing a function that calculates the value of PI, and returns it as a double. So far so good. But once the function gets to 14 digits after the decimal place, it can\

Answer 1

Try decimal instead of double. It can't store numbers as big as double, but I think it's got higher precision after the decimal. If you need more, you'll probably have to use a String.