Purpose of this script is to generate DXF file with circular times tables. In addition you will get preview ( MatPLotlib) and possibillity to save it to .png.
CCT stands for Circular Times Tables.
CCT_DXF.py -> export CCT to .dxf CCT_PyQt5.py -> plot CCT in PyQT5 window CCT_PyQt5_ui.py -> GUI using .ui file ( prepared in Designer)