c sharp what is the % operator called code example

Example 1: c# ^ operator

double sinc(double x) => x != 0.0 ? Math.Sin(x) / x : 1;

Console.WriteLine(sinc(0.1));
Console.WriteLine(sinc(0.0));
// Output:
// 0.998334166468282
// 1

Example 2: c# ^ operator

condition ? consequent : alternative
x == 0 ? float.PositiveInfinity : 2/x;