Three research problems in numerical linear algebra by C. B. Moler A brief introduction to quasi-Newton methods by J. E. Dennis The approximation of functions and linear functionals: Best vs.good approximation by C. de Boor Numerical methods for the solution of ordinary differential equations by J. M. Varah Methods for time dependent partial differential equations by J. A. Oliger Variational methods for elliptic boundary value problems by G. J. Fix.