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fDesc[0] = "Extension Pack/Library Upgrade can be used for current Mathcad 12 Extension Pack licensees only. <br /> The following utilities allows you to install a Mathcad 13 version of the listed Extension Pack/Library, if you currently have a license for the Mathcad 12 Extension Pack/Library. The utility checks for the presence of the Mathcad 12 Extension Pack/Library on your machine or on a CD. Download the utility to your desktop or a local folder and double-click the icon to run it. You may be prompted to insert the Extension Pack/Library CD into your CD-ROM drive. Note that you must install Mathcad 13 first.<br /> Note: When you insert the Mathcad 12 Extension Pack/Library CD into your CD-ROM drive, it will attempt to auto-install. If you are not interested in installing or re-installing the Mathcad 12 Extension Pack/Library simply cancel out of its installation program. Then, proceed with the Mathcad 13 Extension Pack/Library installation as usual.";

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