diff --git a/Calculator/Calculator.csproj b/Calculator/Calculator.csproj
index c777143..7b680e4 100644
--- a/Calculator/Calculator.csproj
+++ b/Calculator/Calculator.csproj
@@ -8,7 +8,7 @@
     <Copyright>Copyright © 2021 Bradley Myers. All rights reserved.</Copyright>
     <RepositoryUrl>https://github.com/BLM16/Tokenized-Calculator</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
-    <Version>4.1.0</Version>
+    <Version>4.1.2</Version>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageTags>calculator; math; solve</PackageTags>
     <PackageId>BLM16.Util.$(AssemblyName)</PackageId>
diff --git a/Calculator/Standardizer.cs b/Calculator/Standardizer.cs
index 6bb4398..43c71e5 100644
--- a/Calculator/Standardizer.cs
+++ b/Calculator/Standardizer.cs
@@ -110,7 +110,7 @@ private string ComputeFunctions(string equation)
         // Maps function's symbols to their operation
         var funcsDict = new Dictionary<string, Func<double, string>>();
         Array.ForEach(Functions, f =>
-            Array.ForEach(f.Symbols, s => funcsDict.Add(s, f.Operation)));
+            Array.ForEach(f.Symbols, s => funcsDict.Add(s.ToLower(), f.Operation)));
 
         // Order the dictionary by key length
         List<KeyValuePair<string, Func<double, string>>> functions = funcsDict.OrderByDescending(e => e.Key.Length).ToList();
@@ -176,7 +176,7 @@ private string ReplaceConstants(string equation)
         // Maps the constant's symbols to its value
         var constants = new Dictionary<string, double>();
         Array.ForEach(Constants, c =>
-            Array.ForEach(c.Symbols, s => constants.Add(s, c.Value)));
+            Array.ForEach(c.Symbols, s => constants.Add(s.ToLower(), c.Value)));
 
         // Order the dictionary by key length, replace all the keys in the equation with the values
         constants.OrderByDescending(e => e.Key.Length)