This family is essentially the same as that given by L. I. Hewes and H. L. Seward: The Design of Diagrams for Engineering Formulas and the Theory of Nomography, New York, McGraw-Hill, 1923, p. 68, in their nomogram for the complete cubic equation.
- © Copyright 1944 American Mathematical Society
- Journal: Math. Comp. 1 (1944), 331-332
- DOI: https://doi.org/10.1090/S0025-5718-44-99031-9