-GiNaC (which stands for "GiNaC is Not a CAS (computer algebra system)") is a
-C++ library for symbolic mathematical calculations. It is designed to allow
-the creation of integrated systems that embed symbolic manipulations together
-with more established areas of computer science (like computation-intense
-numeric applications, graphical interfaces, etc.) under one roof.
+GiNaC (which stands for "GiNaC is Not a CAS (Computer Algebra System)") is an
+open framework for symbolic computation within the C++ programming language.
+
+It includes the ginsh ("GiNaC interactive shell") which provides a simple and
+easy-to-use CAS-like interface to GiNaC for non-programmers.
+
+
+%package devel
+Summary: Libraries, includes and more to develop GiNaC applications
+Group: Development/Libraries
+Requires: %{name}
+
+%description devel
+GiNaC (which stands for "GiNaC is Not a CAS (Computer Algebra System)") is an
+open framework for symbolic computation within the C++ programming language.
+
+This is the libraries, include files and other resources you can use to
+develop GiNaC applications.
+