--> exec('E:\My program EM\4. Analysis of pin-jointed plane frames\Ex4_2.sce', -1)
RD=77.50 kN
RA=72.50 kN
FAB=83.72 kN  (Compression)
FAE=41.86 kN  (Tension)
FDC=89.49 kN  (Compression)
FDE=44.74 kN  (Tension)
FBE=37.53 kN  (Tension)
FBC=60.62 kN  (Compression)
FCE=31.75 kN  (Tension)