Get[FileNameJoin[{ParentDirectory[NotebookDirectory[]],"Symbex27Lines.m"}]];

readTitle[]

qPlotLine3[1,3,-2,12,False]

qPlotLine4[2,2,3,6,False]

qPlotLineSlope1[3,RandomInteger[{1,10}],-3,5/4,False]

qPlotLine2Points1[4, -3,5,4,4,False]

qPlotLineMXB1[5,0.5, 2,False]

qPanel17[6,2,False]