From 5ed7e55d653c9aa330635e55feb0b65b39534a29 Mon Sep 17 00:00:00 2001
From: Austin Putland <austinputland6464@gmail.com>
Date: Wed, 21 Jun 2023 16:41:52 -0300
Subject: [PATCH] Fix the case where eout % 3 produces a negative value

---
 src/CalcManager/Ratpack/conv.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CalcManager/Ratpack/conv.cpp b/src/CalcManager/Ratpack/conv.cpp
index 4f7609de..893da931 100644
--- a/src/CalcManager/Ratpack/conv.cpp
+++ b/src/CalcManager/Ratpack/conv.cpp
@@ -1171,7 +1171,7 @@ wstring NumberToString(_Inout_ PNUMBER& pnum, NumberFormat format, uint32_t radi
         {
             if (format == NumberFormat::Engineering)
             {
-                exponent = (eout % 3);
+                exponent = (3 + (eout % 3)) % 3;
                 eout -= exponent;
                 exponent++;