[34S] Time diff. STO.00 vs. STO 00 ?

[walter b]

In fact, you don't have to quote any text at all: Just click on <Quote>, delete all the quotation, and your response will still be positioned correctly in the thread. No secret, but seems you didn't find out yet.

Back to topic: There are various numeric approximations to all kinds of mathematical functions. The older manuals of HP calculators usually contain some nice examples (see the museum DVD). Good ol' Abramovitz & Stegun contains also formulas applicable, for example. Just google a bit or (horribile dictu!) visit the library of the university next to you.

d:-)