cal

Author: nilajcoder

Programs/Basic/cal.js

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+
+//npm install prompt-sync
+
+// Import prompt-sync
+const prompt = require("prompt-sync")();
+
+// Take inputs from user
+let num1 = Number(prompt("Enter first number: "));
+let operator = prompt("Enter operator (+, -, *, /): ");
+let num2 = Number(prompt("Enter second number: "));
+
+let result;
+
+// Perform calculation based on operator
+if (operator === "+") {
+    result = num1 + num2;
+} else if (operator === "-") {
+    result = num1 - num2;
+} else if (operator === "*") {
+    result = num1 * num2;
+} else if (operator === "/") {
+    if (num2 !== 0) {
+        result = num1 / num2;
+    } else {
+        result = "Error: Division by zero!";
+    }
+} else {
+    result = "Invalid operator!";
+}
+
+// Show result
+console.log(`Result: ${result}`);