Hi Aleix,thanks for your help.I updated and tried again, but still I see that error:---[ 81%] Building CXX object analitzaplot/CMakeFiles/AnalitzaPlot.dir/AnalitzaPlot_automoc.cpp.o/Users/marko/WC/KDECI-builds/analitza/analitzaplot/plotter2d.cpp:380:62: error: expected '(' for function-style cast or type constructions += computeAngleLabelByStep(std::abs<int>(i), bigstep);~~~^/Users/marko/WC/KDECI-builds/analitza/analitzaplot/plotter2d.cpp:383:97: error: expected '(' for function-style cast or type constructionconst QPair<unsigned int, unsigned int> frac = simplifyFraction(std::abs<int>(i), step);~~~^2 errors generated.---Greets,Marko