 
--> exec('E:\My program EM\4. Analysis of pin-jointed plane frames\Ex4_1.sce', -1)
The required forces in members are:-
AB=120.00 kN  (Tension)
BC=56.57 kN  (Tension)
CD=40.00 kN  (Compression)
DE=40.00 kN  (Compression)
BE=113.14 kN  (Compression)
BD=40.00 kN  (Tension)