if else 2

p=input("ตัวเลข");
if(p>0)
    printf("\n positive")

elseif(p<0)
    printf("\n negative")

else
    printf("\n Zero")

end

-->exec('C:\Users\5810110621\Documents\intro2.sce', -1)
ตัวเลข20

 positive


-->exec('C:\Users\5810110621\Documents\intro2.sce', -1)
ตัวเลข-5

 negative

-->exec('C:\Users\5810110621\Documents\intro2.sce', -1)
ตัวเลข0

 Zero