Examples of Kernighan and Plauger (1978), 2 ed., Chap. 1

Page numbers refers to the Japanese edition by I. Kimura (1982)

Reformatted into modern Fortran by K. Masuda, June 2000

• identity.f: Make an identity matrix (p. 2)
• sqroot.f: Compute square root by Newton's method (p. 6)