From 255984e52f84a47ecdc6621441cfdea7567f5afe Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Sat, 14 Mar 2026 17:02:43 -0600
Subject: [PATCH] fix: Apply negation to current number when new number is
 pressed

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
---
 calculator/calculator.app.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/calculator/calculator.app.js b/calculator/calculator.app.js
index 2622016..279fcc4 100644
--- a/calculator/calculator.app.js
+++ b/calculator/calculator.app.js
@@ -537,7 +537,7 @@ function buttonPress(val) {
       hasPressedNumber = false;
       break;
     case 'N':
-      if (results != null) {
+      if (results != null && !hasPressedNumber) {
         displayOutput(results *= -1);
         prevExpression = "-(" + prevExpression + ")";
       } else {