Contents: Linear Algebraic EquationsFinding the Square Root of a Positive Definite MatrixLargest and Smallest Characteristic RootsLinear Differential Equations with Constant CoefficientsLinear Differential Equations with Variable CoefficientsOn the Determination of Characteristic Values for a Class of Sturm-Liouville ProblemsNonlinear Differential EquationsAsymptotic BehaviorPartial Differential Equations and Dynamic ProgrammingPartial Differential Equations and Invariant ImbeddingMaximum AltitudeSemigroups in SpaceVariational Problems and Functional EquationsAllocation Processes, Lagrange Multipliers and the Maximum TransformReadership: Applied mathematicians and physicists.