diff --git a/TestLibDlg/IncSourceTestDlg/include/a2l/computab.h b/TestLibDlg/IncSourceTestDlg/include/a2l/computab.h
new file mode 100644
index 0000000..25119df
--- /dev/null
+++ b/TestLibDlg/IncSourceTestDlg/include/a2l/computab.h
@@ -0,0 +1,52 @@
+/*
+* Copyright 2023 Ingemar Hedvall
+* SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+#include <map>
+#include <memory>
+#include <string>
+#include <cstdint>
+
+#include "a2l/a2lobject.h"
+
+
+namespace a2l {
+
+class CompuTab : public A2lObject {
+ public:
+  void Type(A2lConversionType type) { conversion_type_ = type; }
+  [[nodiscard]] A2lConversionType Type() const { return conversion_type_; }
+
+  void Rows(uint64_t rows) { rows_ = rows; }
+  [[nodiscard]] uint64_t Rows() const { return rows_; }
+
+  void KeyValueList(const std::map<double, double>& list) {
+    value_list_ = list;
+  }
+  [[nodiscard]] const std::map<double, double>& KeyValueList() const {
+    return value_list_;
+  }
+
+  void DefaultValue(const std::string& value);
+  [[nodiscard]] const std::string& DefaultValue() const {
+    return default_value_;
+  }
+
+  void DefaultValueNumeric(double value);
+  [[nodiscard]] double DefaultValueNumeric() const {
+    return default_value_numeric_;
+  }
+
+ private:
+  A2lConversionType conversion_type_ = A2lConversionType::UNKNOWN;
+  uint64_t rows_ = 0;
+  std::map<double, double> value_list_;
+  std::string default_value_; ///< Default value as string
+  double default_value_numeric_ = 0.0; ///< Default value as double
+};
+
+using CompuTabList = std::map<std::string, std::unique_ptr<CompuTab>>;
+
+} // end namespace a2l