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NEW Version: V5.5-TELC4 (Build 2026.1577)
Our new RelCalc V5.5-TELC4 is a major update.

* Major Enhancement: Multi-User License.
We have had many requests for a true floating license over the years.
V5.5 is now available in (2) license versions:
Single-User (node-locked license), and Multi-User (floating license).
IMPORTANT CHANGE: V5.5 is now a Subscription License.
For more details on our V5.5 License, please see:
License Overview
Price List
Order Form
End-User License Agreement (EULA): EULA.PDF

* Various Enhancements and Fixes: Internal code, Help topics, installer script.

Also see the V5.5 system requirements.

Please contact us if you have any questions, or want a price quote for V5.5-TELC4.

If you want to see the new V5.5-TELC4, you can download a free Demo for a test drive.

NEW Version: V5.5-217F2 (Build 2026.1577)

Our new RelCalc V5.5-217F2 is a major update.

* Major Enhancement: Multi-User License.
We have had many requests for a true floating license over the years.
V5.5 is now available in (2) license versions:
Single-User (node-locked license), and Multi-User (floating license).
IMPORTANT CHANGE: V5.5 is now a Subscription License.
For more details on our V5.5 License, please see:
License Overview
Price List
Order Form
End-User License Agreement (EULA): EULA.PDF

* Major Enhancement: V5.5-217F2 now has an optional calculation mode to use the Quality Factor Adjustments per ANSI/VITA 51.1-2013 (S2025).
For more details, please see: VITA 51.1 Improved Quality Factors

* Various Enhancements and Fixes: Internal code, Help topics, installer script.

Also see the V5.5 system requirements.

Please contact us if you have any questions, or want a price quote for V5.5-217F2.

If you want to see the new V5.5-217F2, you can download a free Demo for a test drive.

Feedback: Features You'd Like to Have
If there are any new features you'd like to see added to RelCalc for Windows, please contact us to let us know.

Copyright (c) 2026 T-Cubed Systems, Inc. All rights reserved.
RelCalc (R) is a registered trademark of T-Cubed Systems, Inc.
Phone: 818-991-0057 Fax: 818-991-1281
E-mail: info@t-cubed.com Web: www.t-cubed.com