diff --git a/C/calculator.c b/C/calculator.c
new file mode 100644
index 0000000..fe1882e
--- /dev/null
+++ b/C/calculator.c
@@ -0,0 +1,47 @@
+/**
+ * C program to create Simple Calculator using switch case
+ */
+
+#include <stdio.h>
+
+int main()
+{
+    char op;
+    float num1, num2, result=0.0f;
+
+    /* Print welcome message */
+    printf("WELCOME TO SIMPLE CALCULATOR\n");
+    printf("----------------------------\n");
+    printf("Enter [number 1] [+ - * /] [number 2]\n");
+
+    /* Input two number and operator from user */
+    scanf("%f %c %f", &num1, &op, &num2);
+
+    /* Switch the value and perform action based on operator*/
+    switch(op)
+    {
+        case '+': 
+            result = num1 + num2;
+            break;
+
+        case '-': 
+            result = num1 - num2;
+            break;
+
+        case '*': 
+            result = num1 * num2;
+            break;
+
+        case '/': 
+            result = num1 / num2;
+            break;
+
+        default: 
+            printf("Invalid operator");
+    }
+
+    /* Prints the result */
+    printf("%.2f %c %.2f = %.2f", num1, op, num2, result);
+
+    return 0;
+}
\ No newline at end of file