Jahnke
Proper noun
Meaning
Jahnke (plural Jahnkes)
A surname from German.
Examples
A hand-drawn graph of the absolute value of the complex gamma function, from Tables of Higher Functions by Jahnke and Emde.
Tables of complex values of the gamma function, as well as hand-drawn graphs, were given in Tables of Higher Functions by Jahnke and Emde, first published in Germany in 1909.