--> exec('E:\My program EM\4. Analysis of pin-jointed plane frames\Ex4_9.sce', -1)

The required forces are:-
FAB=92 kN (Compression)
FBC=71 kN (Compression)
FBF=21 kN (Compression)
FAF=40 kN (Tension)
FFC=40 kN (Tension)
FAE=30 kN (Tension)