Author: program45_-rt8nb

// Online C Program to generate Series up to Number
// 1, 3, 6, 11, 18, 29, 42?
#include <stdio.h>
int main() {
    //variable declaration
    int i,j,num,primeFlag,seriesNum,Scount;
    printf("\n how many numbers you need in this Series 1, 3, 6, 11, 18, 29, 42? to Print\n");
    scanf("%d",&num);
    //for loop to print numbers
    seriesNum =1; //This variable to store number from series.
    Scount=1; //variable to check count of numbers in series.
    printf("\t%d",seriesNum);
    do
    {
        primeFlag=0; //flag to check if number is prime or not.
        i= i+1;
        //loop to find prime number and add it to previous
        for(j=1;j<=i;j++)
        {
            if((i%j)==0)
            {
                primeFlag++;
            }
            else
            {
               //continue
            }
        }
        if (primeFlag == 2)
        {
//here if number is divisible by 1 and self number then only primeFlag will become 2
            seriesNum = seriesNum + i;
            printf(" %d,",seriesNum);
            Scount = Scount + 1;
        }
    }while (Scount < num);
    return 0;
}

how many numbers you need in this Series 1, 3, 6, 11, 18, 29, 42? to Print
22
1 3, 6, 11, 18, 29, 42, 59, 78, 101, 130, 161, 198, 239, 282, 329, 382, 441, 502, 569, 640, 713,

// Program for math operations like power, square root.
#include <stdio.h>
#include <math.h>
int main() {
    // declaring variable in double
    double num,sr;
    printf("\nEnter number to find square root\t");
    scanf("%lf",&num);
    sr = sqrt(num);
    printf("\n\nSquare root of number %lf is %lf",num,sr);
    return 0;
}

Enter number to find square root	625
Square root of number 625.000000 is 25.000000

Up to which number you need to print table      10

        1       2       3       4       5       6       7       8       9       10
        2       4       6       8       10      12      14      16      18      20
        3       6       9       12      15      18      21      24      27      30
        4       8       12      16      20      24      28      32      36      40
        5       10      15      20      25      30      35      40      45      50
        6       12      18      24      30      36      42      48      54      60
        7       14      21      28      35      42      49      56      63      70
        8       16      24      32      40      48      56      64      72      80
        9       18      27      36      45      54      63      72      81      90
        10      20      30      40      50      60      70      80      90      100

//Program to display math table up to n number vertically
#include <stdio.h>
int main () {
  int tNo,i,j;
  printf("\n\tUp to which number you need to print table\t");
  scanf("%d",&tNo);
  for(i=1;i<=10;i++)
  {
      printf("\n");
      for (j=1;j<=tNo;j++)
      printf("\t%d",j*i);
    }
   return 0;
}