Herbert E. Salzer

• Two letters from Einstein concerning his distant parallelism field theory
• Table for the solution of cubic equations
• A generalization of divided differences, with applications
• A new formula for inverse interpolation
• Coefficients for interpolation within a square grid in the complex plane
• Coefficients for numerical differentiation with central differences ...
• Formulas for direct and inverse interpolation of a complex function tabulated along equidistant circular arcs ...
• Inverse interpolation for eight-, nine-, ten-, and eleven-point direct interpolation ...
• Supplement to Table of sines and cosines to ten decimal places at thousandths of a degree
• Table of coefficients for differences in terms of the derivatives
• Table of coefficients for double quadrature without differences
• Table of coefficients for inverse interpolation with advancing differences ...