Added codes and softcopy.

2025-06-11 14:19:19 +05:30
parent 091a580a74
commit 7df8927c43
32 changed files with 446 additions and 0 deletions
@@ -0,0 +1,31 @@
+let currentValue = '';
+
+function addToDisplay(value) {
+  currentValue += value;
+  document.getElementById('result').value = currentValue;
+}
+
+function clearDisplay() {
+  currentValue = '';
+  document.getElementById('result').value = '';
+}
+
+function calculate(operator) {
+  if (operator === '=') {
+    try {
+      currentValue = eval(currentValue).toString();
+      document.getElementById('result').value = currentValue;
+    } catch (error) {
+      alert('Invalid expression');
+      clearDisplay();
+    }
+  } else {
+    if (currentValue === '') {
+      alert('Please enter a number');
+      return;
+    }
+    currentValue += operator;
+    document.getElementById('result').value = currentValue;
+  }
+}
+