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Writing of new Trading Tool

Thank you for beginning to write a new Trading Tool!

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Title of the tool:

Argument: New argument:

Select a functions library:

function str_to_timestamp ($str_date) { //calculate the timestamp of a date in string format "dd/mm/aaaa" ... }
function years_diff_str_date ($str_in_date,$str_end_date) { //calculate difference in years between two dates in string format "dd/mm/aaaa" assuming that an year is 365,25 days ... }

The already inserted values are only for example

Number of the Input variables:

Name	Initial value*	Description
$ =		Ammontare iniziale
$ =		Guadagno realizzato

* = It's also possible to use functions to initialize the variables.

Select the libraries to use for the calculating the results (beyond the new one inserted):

date.inc polynomial.inc mean.inc Math stddev.inc sort.inc math.inc

Number of the results to calculate:

Name	Formula**	Description
		Guadagno percentuale
$ =

** = To calculate the results, please use the php4 functions and those present in the libreries.

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Writing of new Trading Tool