From df0b1829ff779f5b35828e4b5784d3ca7ed72fb0 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Thu, 27 Jul 2017 19:30:40 -0700
Subject: [PATCH] Fix bug causing an NPE when sqrt() was called.

---
 src/org/nwapw/abacus/plugin/StandardPlugin.java | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/org/nwapw/abacus/plugin/StandardPlugin.java b/src/org/nwapw/abacus/plugin/StandardPlugin.java
index 8ac8a07..01b988e 100755
--- a/src/org/nwapw/abacus/plugin/StandardPlugin.java
+++ b/src/org/nwapw/abacus/plugin/StandardPlugin.java
@@ -6,9 +6,6 @@ import org.nwapw.abacus.function.OperatorAssociativity;
 import org.nwapw.abacus.number.NaiveNumber;
 import org.nwapw.abacus.number.NumberInterface;
 
-import javax.print.attribute.standard.MediaSize;
-import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.function.BiFunction;
 
 /**
@@ -231,7 +228,7 @@ public class StandardPlugin extends Plugin {
 
             @Override
             protected NumberInterface applyInternal(NumberInterface[] params) {
-                return StandardPlugin.this.getFunction("pow").apply(params[0], (new NaiveNumber(0.5)));
+                return StandardPlugin.this.getOperator("^").getFunction().apply(params[0], (new NaiveNumber(0.5)));
             }
         });
     }