Check out example codes for "round double c#". It will help you in understanding the concepts better.

Code Example 1

Math.Round(1.23)

Code Example 2

double number = 1.5362
  
int rounded = Math.Round(number)
//rounds number to 2
  
double rounded_2 = Math.Round(number, 2)
//rounds number to 1.54

Code Example 3

double a = 5.3124;
a = Math.Round(a, 2);
//a is now equal to 5.31

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