CONTENTS

PART I: THEORY (TEORIA)

1. S. Ochoński: Midpoints of Segments whose Endpoints Belong to Two Straight Lines.

2. S. Ochoński: Construction of Parabola.

PART II: GRAPHICS EDUCATION (DYDAKTYKA)

3. H. Lille and A. Ruus (née Pajumägi): Engineering Graphics: Semiotic Aspects.

4. A. Vansevicius: Viewing of Graphical Information.

5. A. Rużyczka: Chosen Subjects of Exercises from Geometry Realized in Process of Engineers’ Education on Faculty of Environmental Engineering and Land    Surveying at the Agricultural University of Cracow.

6. S. Vdovinskienė: Peculiarities of Computer – Aided Creation of Sectional Views Based on 3d Model.

PART III: APPLICATIONS (ZASTOSOWANIA)

7. V. Nenorta, T. Pilkaite, Nomeda Puodziuniene: Employment of CAD Systems for Multimedia Aim.

8. O.V. Sergeychuk: Optimisation of Windows’ Geometric Properties in the Aspect of Buildings Energetic Protection Design.

9. A. Sokas: Graphical Methods for Designing House Heating System.

PART IV: INFORMATION AND NEWS (WYDARZENIA I INFORMACJE)

10. SCG 2009, BALTGRAF-10.

Instructions for Authors (new !)