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// Show square roots of 1 to 99 and the rounding error.

public class SqrRoot {

public static void main(String[] args) {

// TODO Auto-generated method stub

double num, sroot, rerr;

for(num = 1.0; num < 100.0; num++) {

sroot = Math.sqrt(num);

System.out.println("Square root of " + num + " is " + sroot);

// compute rounding error; round sth down \ to reduce a number to the nearest whole or simple number. (Cambridge dictionary)

rerr = num - (sroot * sroot);

System.out.println("Rounding error is " + rerr);

System.out.println();

}

}

}