Five place tables; logarithms of integers, logarithms and natural values of trigonometric functions in the decimal system for each grade from 0 to 100 grades with interpolation tables ... - Wijdenes, Piet, 1872- (Groningen (Holland) P. Noordhoff ltd., 1937)
At head of title: P. Wijdenes ...
"Formulae": 4 p. laid in.
Keywords: Logarithms; Trigonometry -- Tables