The Driver use COM port of the computer as parallel! You have 2 lines on the write and you have 4 lines on the read. You can use the TxD line for data transmitt! The driver is the ActiveX. You can use its in some Programming language. (ActiveX? is registered trademarks of Microsoft Corporation)
ActiveX Charting Control offers hundreds of Graph styles in 2D and 3D, 33 mathematical and statistical Functions for you to choose from together with an unlimited number of axes and 17 toolbox components. For Windows and the Web.
Price: $449, Rating: 7, Downloads: 170 Download
The Chilkat C++ class library for VC++ 7.0 fully supports SMTP, POP3, MIME, HTML, SSL, S/MIME, secure authentication, attachments, SSL, progress monitoring, zip and unzip of attachments, XML import/export, and is fully internationalized to handle email in
Price: $99, Rating: 8, Downloads: 152 Download
Object-Oriented Charting component library completely written in PHP and ready to be used in any PHP scripts. It includes full source code meaning that no loaders have to be used in order to create a Graph on servers.
Price: $, Rating: 8, Downloads: 151 Download
In short, Colock is a software based lock for making your software copy protected. By adding just one line of code to source code of your program, you will be able to use powerful copy protection system of Colock.
Price: $45.00, Rating: 8, Downloads: 137 Download
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The non-standard COM device 3.1 details 
