diff --git a/CSMath/MathHelper.cs b/CSMath/MathHelper.cs
index 23ffa57..23282e9 100644
--- a/CSMath/MathHelper.cs
+++ b/CSMath/MathHelper.cs
@@ -73,10 +73,20 @@ public static T FixZero<T>(T vector, double threshold)
 		/// Convert a value from radian to degree
 		/// </summary>
 		/// <param name="value">Value in radians</param>
+		/// <param name="absolute">Calculates the negative values in a 0-360 range.</param>
 		/// <returns>The radian value</returns>
-		public static double RadToDeg(double value)
+		public static double RadToDeg(double value, bool absolute = true)
 		{
-			return value * RadToDegFactor;
+			var result = value * RadToDegFactor;
+
+			result %= 360;
+
+			if (result < 0)
+			{
+				result = 360 + result;
+			}
+
+			return result;
 		}
 
 		/// <summary>
diff --git a/CSMath/XY.cs b/CSMath/XY.cs
index f34837c..41d0eac 100644
--- a/CSMath/XY.cs
+++ b/CSMath/XY.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 
 namespace CSMath
 {
@@ -115,5 +116,16 @@ public override string ToString()
 		{
 			return $"{X},{Y}";
 		}
+
+		/// <summary>
+		/// Converts the numeric value of this instance to its equivalent string representation
+		/// using the specified culture-specific format information.
+		/// </summary>
+		/// <param name="cultureInfo">An object that supplies culture-specific formatting information.</param>
+		/// <returns>The string representation of the value of this instance as specified by provider.</returns>
+		public string ToString(IFormatProvider? cultureInfo)
+		{
+			return $"{X.ToString(cultureInfo)},{Y.ToString(cultureInfo)}";
+		}
 	}
 }
diff --git a/CSMath/XYZ.cs b/CSMath/XYZ.cs
index b2d906c..da840d7 100644
--- a/CSMath/XYZ.cs
+++ b/CSMath/XYZ.cs
@@ -166,5 +166,16 @@ public override string ToString()
 		{
 			return $"{X},{Y},{Z}";
 		}
+
+		/// <summary>
+		/// Converts the numeric value of this instance to its equivalent string representation
+		/// using the specified culture-specific format information.
+		/// </summary>
+		/// <param name="cultureInfo">An object that supplies culture-specific formatting information.</param>
+		/// <returns>The string representation of the value of this instance as specified by provider.</returns>
+		public string ToString(IFormatProvider? cultureInfo)
+		{
+			return $"{X.ToString(cultureInfo)},{Y.ToString(cultureInfo)},{Z.ToString(cultureInfo)}";
+		}
 	}
 }
diff --git a/CSMath/XYZM.cs b/CSMath/XYZM.cs
index f92498b..c034641 100644
--- a/CSMath/XYZM.cs
+++ b/CSMath/XYZM.cs
@@ -132,5 +132,16 @@ public override string ToString()
 		{
 			return $"{X},{Y},{Z},{M}";
 		}
+
+		/// <summary>
+		/// Converts the numeric value of this instance to its equivalent string representation
+		/// using the specified culture-specific format information.
+		/// </summary>
+		/// <param name="cultureInfo">An object that supplies culture-specific formatting information.</param>
+		/// <returns>The string representation of the value of this instance as specified by provider.</returns>
+		public string ToString(IFormatProvider? cultureInfo)
+		{
+			return $"{X.ToString(cultureInfo)},{Y.ToString(cultureInfo)},{Z.ToString(cultureInfo)},{M.ToString(cultureInfo)}";
+		}
 	}
 }