diff --git a/task.js b/task.js
index afea252..ea31d16 100644
--- a/task.js
+++ b/task.js
@@ -7,10 +7,11 @@ const calculator = {
 
 //Manage Operators
 const performCalculation = {
+	
+	'/': (firstOperand, secondOperand) => firstOperand / secondOperand,
+	'*': (firstOperand, secondOperand) => firstOperand * secondOperand,
     '+': (firstOperand, secondOperand) => firstOperand + secondOperand,
-
     '-': (firstOperand, secondOperand) => firstOperand - secondOperand,
-
     '=': (firstOperand, secondOperand) => secondOperand
 };
 
@@ -20,17 +21,19 @@ function inputDigit(digit) {
         waitingForSecondOperand
     } = calculator;
 
-    if (waitingForSecondOperand === true) {
-        calculator.displayValue = digit;
-        calculator.waitingForSecondOperand = false;
+    if (waitingForSecondOperand === true) { // waiting to enter a second number
+        calculator.displayValue = digit; // if the calculator waiting to get a second number and user enter a second number, then second number is assign as the display value
+        calculator.waitingForSecondOperand = false; // now waitingForSecondOperand variable set to false since we do not need any numbers to enter
     } else {
-        calculator.displayValue = displayValue === '0' ? digit : displayValue + digit;
+        calculator.displayValue = displayValue === '0' ? digit : displayValue + digit; // displayValue = 0 and entered digit adding to 0 and display the second value. (in case first number not entered, else condtion get executed)
     }
 
     console.log(calculator);
 }
 
 function inputDecimal(dot) {
+	
+	if (calculator.waitingForSecondOperand===true)return; // preventing the decimal point appended to the displayValue (only if the user entered nothing after type a dot. ex: 100.  )
     // If the `displayValue` does not contain a decimal point
     if (!calculator.displayValue.includes(dot)) {
         // Append the decimal point
@@ -72,6 +75,17 @@ function updateDisplay() {
     display.value = calculator.displayValue;
 }
 
+function resetCalculator(){
+	
+	calculator.displayValue = '0';
+	calculator.firstOperand = null;
+	calculator.waitingForSecondOperand= null;
+	calculator.operator = null;
+	console.log(calculator);
+	
+	
+}
+
 updateDisplay();
 
 const keys = document.querySelector('.calculator-keys');
@@ -96,8 +110,9 @@ keys.addEventListener('click', (event) => {
     }
 
     if (target.classList.contains('all-clear')) {
-        resetCalculator();
+       resetCalculator();
         updateDisplay();
+	   //console.log('all-clear',target.value);
         return;
     }