..................の間がプログラム本体です program 1 .................. C 実数の足し算 program main x = 10.0 write(*,*)"x= ",x x = x + 5.0 write(*,*)"x= ",x end .................. program 2 .................. c 整数の足し算 program main i = 10 write(*,*)"i= ",i i = i + 5 write(*,*)"i= ",i end ................... program 3 ................... c 足し算のくりかえし program main x1 = 0.0 x2 = 0.0 do i=1,10 x1 = x1 + 5.0 x2 = x2 + i*5.0 write(*,*)"i= ",i," x1= ",x1," x2= ",x2 enddo end