More than 10 additional calculated parameters, including derivative curves which are useful in specific research applications, e . g . in hemophilia or thrombophilia or for the effects of recombinant FVIIa are available for research purposes.
2.
The graph of a function with a positive second derivative bows downward ( that is, is concave when viewed from above ), while the graph of a function with a negative second derivative curves in the opposite way.