diff --git a/check.js b/check.js
index d7a8dc9..661ab84 100644
--- a/check.js
+++ b/check.js
@@ -1,11 +1,11 @@
-// Select the input elements and the launch button
+//check the value
 const massInput = document.getElementById("mass");
 const velocityInput = document.getElementById("velocity");
 const angleInput = document.getElementById("angle");
 const heightInput = document.getElementById("height");
 const launchButton = document.getElementById("launch");
 
-// Function to validate inputs
+
 function validateInputs() {
     const mass = parseFloat(massInput.value);
     const velocity = parseFloat(velocityInput.value);
@@ -14,7 +14,7 @@ function validateInputs() {
 
     let errors = [];
 
-    // Check each condition and add messages for any errors found
+ 
     if (mass <= 0) {
         errors.push("Mass must be greater than 0.");
     }
@@ -28,7 +28,6 @@ function validateInputs() {
         errors.push("Initial Height must not be more than 100 meters.");
     }
 
-    // Display errors or proceed with simulation
     if (errors.length > 0) {
         alert(errors.join("\n"));
         return false;
@@ -36,10 +35,10 @@ function validateInputs() {
     return true;
 }
 
-// Event listener for the launch button
+
 launchButton.addEventListener("click", (e) => {
     if (validateInputs()) {
-        // If inputs are valid, proceed with the simulation in `script.js`
+      
         import('./script.js').then(module => {
             module.launchSimulation();
         });
diff --git a/script.js b/script.js
index 3f26eb3..65d594b 100644
--- a/script.js
+++ b/script.js
@@ -1,6 +1,6 @@
 const canvas = document.getElementById('canvas');
 const ctx = canvas.getContext('2d');
-const g = 9.81; // Acceleration due to gravity (m/s²)
+const g = 9.81; 
  
 let animationId = null;
 let trajectory = [];
@@ -11,7 +11,7 @@ class Projectile {
   constructor(mass, velocity, angle, height) {
     this.mass = mass;
     this.v0 = velocity;
-    this.angle = angle * Math.PI / 180; // Convert to radians
+    this.angle = angle * Math.PI / 180; 
     this.h0 = height;
     this.x = 0;
     this.y = height;
@@ -95,7 +95,7 @@ function animate() {
   const dt = 0.016; // 60 FPS
   projectile.update(dt);
   
-  // Scale factors for drawing
+  // Scale 
   const scaleX = canvas.width / (projectile.range + 10);
   const scaleY = canvas.height / (projectile.maxHeight + 10);
   const scale = Math.min(scaleX, scaleY);