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random1234

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  1. Hi there all, i'm just curious as to whether theres a way to calculate NormalCDF probabilities using PHP? If there is, could somebody give me a hand in finding the solution as i've got not much of a clue on how to derive the normal distribution formula since my calculus has gotten rather scrappy. Thanks for the help.
  2. [!--quoteo(post=361497:date=Apr 4 2006, 04:44 PM:name=footballkid4)--][div class=\'quotetop\']QUOTE(footballkid4 @ Apr 4 2006, 04:44 PM) [snapback]361497[/snapback][/div][div class=\'quotemain\'][!--quotec--] 1) [code]<?php session_id(); ?>[/code] Should be unique for each visitor 2) file_get_contents(), file(), fopen(), fread(), fwrite(), fclose() [/quote] Thank you for your quick response, but could you tell me how i can echo each vistors id so that they can see it on-screen and then write that to a file? Sorry for the simplistic question, but i'm really rather new to this. PHP is my first language ^^ Thanks
  3. Hey guys. I need some help with how to create a unique customer number for an online shopping website. The idea being that before you start shopping, you are issued with a unique number which identifies you as a customer, it is then written to a file and stored with the intention that next time you log on to the website, you can start ordering right away (by entering the number issued to you). Problem is, i don't know how to do that, or write to an actual file, so help with all that would be greatly appriciated. Oh, and i tried to read some Tutorials on how to write to files.....but they confused me a tad. Thanks in advance!
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