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The prices for the IRT products BILOG-MG, MULTILOG, PARSCALE, and TESTFACT are for academic research and educational use only. Contact SSI for commercial and production licenses.
Rental Renewal Pricing: If you have purchased a 12-month rental of any of the four IRT products and plan to renew your license for another 12-month period, you can renew at the following price:
Converting from a Rental License to Perpetual License*: NEW!! Purchasers of the 6 and 12-month rental licenses are eligible to receive a discount on the perpetual license for the same IRT product rented from e-academy. Perpetual licenses are available directly from SSI. If you have purchased a 6-month rental license and would like to purchase the perpetual license from SSI, you can purchase at following price:
If you have previously purchased a rental license and now are interested in purchasing a perpetual license from SSI, please visit SSI's site at http://www.ssicentral.com. You can use your e-academy billing receipt to obtain the discounted perpetual license pricing. *A perpetual license does not have an expiry date. Pricing does not include user manuals. User manuals may be bought separately from SSI. Discounts on IRT User's Guide The IRT User's Guide covers all four IRT programs. If you rent one of the IRT programs from e-academy, you are entitled to a one-time discount of 50% off the regular price of the IRT User's Guide. This Guide is available for purchase directly from SSI. Please visit SSI's site at http://www.ssicentral.com for pricing information and ordering details. In order to receive your discount, you will need to provide a copy of your purchase receipt from e-academy for one of the four IRT programs. Your purchase receipt is emailed to you after you've ordered an IRT program through e-academy.
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