diff --git a/src/exception/ComplexException.java b/src/exception/ComplexException.java
new file mode 100644
index 0000000..ed5d196
--- /dev/null
+++ b/src/exception/ComplexException.java
@@ -0,0 +1,18 @@
+package exception;
+
+public class ComplexException extends Exception {
+
+	/**
+	 * UID
+	 */
+	private static final long serialVersionUID = -3407159767141706416L;
+
+	public ComplexException() {
+		super("This operation is complex.");
+	}
+
+	public ComplexException(String message) {
+		super(message);
+	}
+
+}
diff --git a/src/exception/IllegalDimensionException.java b/src/exception/IllegalDimensionException.java
new file mode 100644
index 0000000..b2bf932
--- /dev/null
+++ b/src/exception/IllegalDimensionException.java
@@ -0,0 +1,18 @@
+package exception;
+
+public class IllegalDimensionException extends Exception {
+
+	/**
+	 * UID
+	 */
+	private static final long serialVersionUID = -1944427376879428635L;
+
+	public IllegalDimensionException() {
+		super("Illegal dimensions.");
+	}
+
+	public IllegalDimensionException(String message) {
+		super(message);
+	}
+
+}
diff --git a/src/exception/IllegalSetupException.java b/src/exception/IllegalSetupException.java
new file mode 100644
index 0000000..f623058
--- /dev/null
+++ b/src/exception/IllegalSetupException.java
@@ -0,0 +1,18 @@
+package exception;
+
+public class IllegalSetupException extends Exception {
+
+	/**
+	 * UID
+	 */
+	private static final long serialVersionUID = 4245692066570468500L;
+
+	public IllegalSetupException() {
+		super("Illegal setup.");
+	}
+
+	public IllegalSetupException(String message) {
+		super(message);
+	}
+
+}
diff --git a/src/exception/NoSquareException.java b/src/exception/NoSquareException.java
new file mode 100644
index 0000000..4a2b645
--- /dev/null
+++ b/src/exception/NoSquareException.java
@@ -0,0 +1,15 @@
+package exception;
+
+public class NoSquareException extends Exception {
+
+	private static final long serialVersionUID = -4049443845429534140L;
+
+	public NoSquareException() {
+		super("This operation requires a square matrix.");
+	}
+
+	public NoSquareException(String message) {
+		super(message);
+	}
+
+}
diff --git a/src/exception/SingularException.java b/src/exception/SingularException.java
new file mode 100644
index 0000000..41c8074
--- /dev/null
+++ b/src/exception/SingularException.java
@@ -0,0 +1,15 @@
+package exception;
+
+public class SingularException extends Exception {
+
+	private static final long serialVersionUID = -5121014712549208662L;
+
+	public SingularException() {
+		super("This operation requires a non-singular matrix.");
+	}
+
+	public SingularException(String message) {
+		super(message);
+	}
+
+}
diff --git a/src/exception/package-info.java b/src/exception/package-info.java
new file mode 100644
index 0000000..1b5888a
--- /dev/null
+++ b/src/exception/package-info.java
@@ -0,0 +1,6 @@
+/**
+ * Exceptions
+ * 
+ * @author Daniel Weschke
+ */
+package exception;
\ No newline at end of file