diff --git a/script.js b/script.js
index 4c8aa9d..6b30a29 100644
--- a/script.js
+++ b/script.js
@@ -48,6 +48,9 @@ class Calculator {
       case '÷':
         computation = prev / current
         break
+      case '%':
+        computation = prev % current
+        break
       default:
         return
     }
@@ -123,4 +126,4 @@ allClearButton.addEventListener('click', button => {
 deleteButton.addEventListener('click', button => {
   calculator.delete()
   calculator.updateDisplay()
-})
\ No newline at end of file
+})