From 90a0fa2dc73ffce64827981f9773a77a7261fea3 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Sat, 5 Aug 2017 14:43:24 -0700
Subject: [PATCH] Set output string correctly.

---
 src/main/java/org/nwapw/abacus/fx/AbacusController.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index a3ebe22..5eb0275 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -127,11 +127,12 @@ public class AbacusController implements PluginListener {
                 if (evaluatedNumber == null) {
                     return ERR_EVAL;
                 }
-                historyData.add(new HistoryModel(inputField.getText(), constructedTree.toString(), evaluatedNumber.toString()));
+                String resultingString = evaluatedNumber.toString();
+                historyData.add(new HistoryModel(inputField.getText(), constructedTree.toString(), resultingString));
+                return resultingString;
             } catch (ComputationInterruptedException exception) {
                 return ERR_STOP;
             }
-            return "";
         }
 
         @Override