diff --git a/packages/apps/calculator/src/components/Calculator.tsx b/packages/apps/calculator/src/components/Calculator.tsx
index 85007ac..2747fe0 100644
--- a/packages/apps/calculator/src/components/Calculator.tsx
+++ b/packages/apps/calculator/src/components/Calculator.tsx
@@ -137,6 +137,11 @@ export function Calculator({ active }: WindowProps) {
 				case "%":
 					addInput("%");
 					break;
+				case "Backspace":
+					if (input != null && input.length > 0) {
+						setInput(input.slice(0, -1));
+					}
+					break;
 			}
 		};