Ask ordinary software developers how to code an exponential function (that is, ex) and most will tell you to simply write an expression in their favorite high level language. But a significant slic… ...

Readers will gain a deeper understanding of how to integrate exponential technologies into their company’s DNA now and well into the future.

MY letter in NATURE of October 211, communicating Mr. Booth's correction on this subject, has elicited the information that the exponential integral solution for the absorption of the rays was ...