To view or print a user guide PDF file, click
Web Site to download the free Adobe Acrobat Reader.
To view an example workbook XLSX file, launch Excel, and open the XLSX file.
Instead of installing a Trial add-in XLAM file, you can launch
Excel, and use Excel's File Open command to open the XLAM file.
Each Trial add-in is
fully-functional with watermarked dialog boxes and printouts.
TreePlan Software grants a license to prospective purchasers to use
the Trial version of an add-in for a 30-day evaluation period. Please share copies of the
Trial version freely with prospective purchasers. You are granted permission to
make as many copies of the Trial version as you wish.
If you want to continue using the software after 30 days, you must purchase a
Pro or Student license. For information about purchasing our add-ins online,
by phone, or by mail,
click Buy Now.
Instructors who require their students to use the software must obtain a
Student license, either by having students use a textbook that has a license or by
purchasing a license from TreePlan Software. For information, click
To provide feedback or for additional information about TreePlan, SensIt, and
SimVoi, please send e-mail to