+ /*!
+ * \brief Checks validity of the expression of the function f(t), e.g. "sin(t)".
+ * In case of validity returns a cleaned expression
+ * \param convMode - 0 for "Exponent mode", 1 for "Cut negative mode"
+ */
+ static std::string CheckExpressionFunction( const std::string& expr,
+ const int convMode)
+ throw (SALOME_Exception);
+