Ruby program to demonstrate the Math.erf() function

Program/Source Code:

The source code to demonstrate the Math.erf() function is given below. The given program is compiled and executed successfully.

# Ruby program to demonstrate the 
# Math.erf() function

print "Enter number: ";
num = gets.chomp.to_f;  

result = Math.erf(num);
print "Result: ",result;

Output:

Enter number: 2.32
Result: 0.998965512573224

Explanation:

In the above program, we read a floating-point number from the user using gets.chomp.to_f and got the error function using Math.erf() function and printed the result.