diff --git a/Task 2/IIB2025033/star.c b/Task 2/IIB2025033/star.c
new file mode 100644
index 0000000..62a84d2
--- /dev/null
+++ b/Task 2/IIB2025033/star.c	
@@ -0,0 +1,16 @@
+#include <stdio.h>
+int main() {
+	int n,i,j;
+	printf("Enter the no. of rows: ");
+	scanf("%d",&n);
+	for (i=1;i<=n;i++) {
+		for (j=1;j<=n-1;j++) {
+			printf(" ");
+		}
+		for (j=1;j<=2*i-1;j++) {
+			printf("*");
+		}
+		printf("\n");
+	}
+	return 0;
+}
diff --git a/Task 3/IIB2025033/calculator.txt b/Task 3/IIB2025033/calculator.txt
new file mode 100644
index 0000000..0f2521f
--- /dev/null
+++ b/Task 3/IIB2025033/calculator.txt	
@@ -0,0 +1 @@
+Calculator is a device used to perform arithmatic operations on two or more numbers.
diff --git a/Task 3/IIB2025033/calculator_code.c b/Task 3/IIB2025033/calculator_code.c
new file mode 100644
index 0000000..fa52e25
--- /dev/null
+++ b/Task 3/IIB2025033/calculator_code.c	
@@ -0,0 +1,33 @@
+#include <stdio.h>
+int main() {
+	int n1,n2,op;
+	printf("Enter the first no.: ");
+	scanf("%d",&n1);
+	printf("Enter the second no.: ");
+	scanf("%d",&n2);
+	printf ("Enter the operation to be done (1 for +, 2 for -, 3 for *, 4 for /");
+	scanf("%d",&op);
+	if (op==1) {
+		printf("The sum of %d and %d is %d",n1,n2,n1+n2);
+	}
+	else if (op==2) {
+		if (n1>n2) {
+			 printf("The difference between %d and %d is %d",n1,n2,n1-n2);
+		}
+		else {
+			printf("The difference between %d and %d is %d",n2,n1,n2-n1);
+		}
+	}
+	else if (op==3) {
+		printf("The product between %d and %d is %d",n1,n2,n1*n2);
+	}
+	else {
+		if (n2==0) {
+			printf("Invalid divison with 0");
+		}
+		else {
+			printf("The quotient of %d upon dividing with %d is %d",n1,n2,n1/n2);
+		}
+	}
+	return 0;
+}