Fortran: Lesson 3

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Demo 4

								        program demo4
c       This program will not compile, because the cosine, as with most
c       Fortran functions, cannot be applied to integers. The program
c       will work if you replace cos(n) with cos(real(n)).
        integer n
        do n = 1, 10
                print *, cos(n)
        end do
        end