Legal Information

The Datamath Calculator Museum and the museum operator are not affiliated with the Texas Instruments Incorporation. Text and images are Copyright by Joerg Woerner. In a Trademark License Agreement Texas Instruments grants the usage of most calculator related trademarks on this webpage. Find a short section of the License Agreement here. The agreement covers the usage of the listed Trademarks.



All materials appearing anywhere on my „Datamath Calculator Museum“ Internet sites are protected by worldwide copyright laws and treaty provisions. The copyright on such materials is held by Joerg Woerner (herein, „Datamath"), or by the original creator of the materials. None of the materials may be copied, reproduced, displayed, modified, published, uploaded, posted, transmitted, or distributed in any form or by any means other than as described in the Links and Logos section or with my prior written permission. All rights not expressly granted herein are reserved. Any unauthorized use of the materials appearing on the „Datamath Calculator Museum“ Internet sites may violate copyright, trademark and other applicable laws and could result in criminal or civil penalties.


Third Party Trademark Acknowledgements

Licensed for use by Texas Instruments Incorporated

Trademark Use with
ANYLITE solar power
AOS calculator feature
APD calculator feature
Automatic Power Down calculator feature
Calculator-Based Laboratory data collection system
CBL data collection system
CBL 2 data collection system
Calculator-Based Ranger data collection system
CBR data collection system
Constant Memory calculator feature
Datamath calculator
EOS calculator feature
Explorer calculator
Explorer Plus calculator
Math Explorer calculator
MathMate calculator
SuperView calculator display
TI calculator
ViewScreen overhead panel



Links & Logos

Datamath encourages links to their Internet sites. Any link to Datamath Internet sites from a different site must conform to the following rules:

Unless Datamath provides you with prior authorization in writing, any link to Datamath's Internet sites must use the logo (displayed at right) which is protected by trademark law.
Subject to the Terms and Conditions stated herein, Datamath grants you a limited license to use this logo, but does not transfer title in this logo to you. The logo may only be used as an active link to the related Datamath Internet site. (Right-click on the logo and save it to your directory)

Any link to Datamath's Internet sites must only be to the respective site's home page. As an example, the home page of each Datamath Internet site may be viewed and accessed from the link displayed beneath the logo listed below. No "deep linking" to other pages on Datamath's Internet sites is permitted without Datamath‘s prior written consent.

You may not use the above logo to imply that Datamath has sponsored or endorsed your World Wide Web site without receiving the prior written permission of Datamath.

You may not alter the logo in any way, including proportions or colors and may not animate or morph the logo to change its appearance.

You may not use the logo on any site which disparages Datamath in any way.

The logo may only be used on World Wide Web pages which make accurate references to Datamath. The logo must be placed on the same page as the reference to Datamath and as close to the reference as feasible.

Datamath may, in its sole discretion, terminate your right to use this logo at any time and for any reason. Datamath may take action against any use of the logo that does not conform to these policies or that infringes any right held by Datamath and will actively seek the recovery of any costs it may incur preventing any such misuse or damages that may result from such misuse.

Other Logos and Graphics

No logo or graphics other than this listed here may be used without the prior written approval of Datamath. Any unauthorized use of any materials contained on Datamath's Internet sites may result in criminal or civil penalties and Datamath will actively seek the recovery of any costs and damages it may incur preventing the misuse or misappropriation of its property.

Terms of Use



„Datamath Calculator Museum“ Internet sites are controlled and operated by Joerg Woerner (herein, „Datamath") from its home office in Weilheim, Germany.

Access to any of these sites from territories where their contents are illegal is prohibited. By accessing any of these sites, you agree to be bound by these Terms of  Use, all applicable laws and regulations, and agree that you are responsible for compliance with any applicable local laws. If  you do not agree with any of these terms, do not use any of these sites. Any claim relating to „Datamath Calculator Museum“ Internet sites 's Internet sites shall be governed by the laws of Germany without regard to its conflict of law provisions.  The materials contained in Datamath's Internet sites are protected by applicable copyright, and trademark law. Please review Datamath's Copyright, and Trademarks pages for additional details.


Use License

Permission is granted to temporarily download one copy of the materials (information or software) on Datamath's Internet sites for personal, non-commercial transitory viewing only. This is the grant of a license, not a transfer of title, and under this license you may not:

modify or copy the materials
use the materials for any commercial purpose, or for any public display
(commercial or noncommercial)

attempt to decompile or reverse engineer any software contained on Datamath‘s Internet sites

remove any copyright, or other proprietary notations from the materials

transfer the materials to another person or "mirror" the materials on any other server.

This license shall automatically terminate if you violate any of these restrictions and may be terminated by Datamath at any time. Upon terminating your viewing of these materials or upon the termination of this license, you must destroy any downloaded materials in your possession whether in electronic or printed format.



The materials on Datamath's Internet sites are provided "as is." Datamath makes no warranties, express or implied, and Datamath disclaims and negates all other warranties, including without limitation, implied warranties of merchantability, fitness for aparticular purpose, or noninfringement of intellectual property or the violation of rights. Further, Datamath does not warrant or make any representations concerning the accuracy, likely results, or reliability of the use of the materials on its Internet sites or otherwise relating to such materials or on any sites linked to these sites.



In no event shall Datamath or its suppliers be liable for any damages (including, without limitation, damages for loss of data or profits, or due to business interruption,) arising out of the use or inability to use the materials on Datamath's Internet sites, even if Datamath has been notified orally or in writing of the possibility of such damage. Because some jurisdictions do not allow limitations on implied warranties, or limitations of liability for consequential or incidental damages, these limitations may not apply to you.


Revisions and Errata

The materials appearing on Datamath's Internet sites could include technical, typographical, or photographic errors. Datamath does not warrant that any of the materials on its Internet sites are accurate, complete, or current. Datamath may make changes to the materials contained on its site at any time without notice. Datamath does not, however, make any commitment to update the materials.



Datamath has not reviewed all of the sites linked to its Internet sites and is not responsible for the contents of any such linked site. The inclusion of any link does not imply endorsement by Datamath of the site. Use of any such linked site is at the user's own risk.


Site Terms-of-Use Modification

Datamath may revise these terms of use for its Internet sites at any time without notice. By using any of the sites you are agreeing to be bound by the then current version of  these Terms of Use.


User Submissions

Any information, data, or other material you transmit or post to this website will be considered non-confidential and non-proprietary ("Submitted Information"). Datamath will have no obligations with respect to the Submitted Information, and may, at its option, disclose, distribute, copy, incorporate, or otherwise use the Submitted Information for any and all commercial and non-commercial purposes. You may not transmit or post anything to this website that is unlawful, threatening, pornographic, libelous, defamatory, or that would otherwise violate any law.

Trademark License Agreement

World Wide Web Website Trademark License

Effective November 30, 2000, Texas Instruments Incorporated (referred to in this Agreement as Texas Instruments) a Delaware Corporation, having a principal place of business at 12500 TI Blvd., Dallas, Texas 75243, and Joerg Woerner (referred to in this Agreement as Licensee), having a principal place of residence at D-73235 Weilheim, Lerchenstrasse 4 in consideration of the mutual covenants and promises contained in this Agreement between Texas Instruments and Licensee, agree as follows:

2.    License Grant

2.1    Grant

Subject to Licensee's full compliance with this Agreement, Texas Instruments hereby grants and Licensee accepts a worldwide, non-exclusive, non-transferable, royalty-free, revocable license to use the Licensed Trademarks only on the Licensed Website.  No other right, title, or license is granted hereunder.

2.2    Limitations on License Grant to Use Licensed Trademarks

Licensee may use the Licensed Trademarks on the pages of the Licensed Web Site in the manner, and subject to the terms and conditions, specified in this Agreement.  This license is limited to using the Licensed Trademarks on the Licensed Web Site and does not extend to any other use of the Licensed Trademarks.  Licensee agrees not to use any other Trademarks of Texas Instruments on the Licensed Web Site or on any other web site.  Licensee may not reproduce, modify, or distribute any Trademarks of Texas Instruments or allow others to do so, except within the scope of this license. These limitations do not prohibit textual use of the Licensed Trademarks in the pages of the Licensed Web Site so long as such Licensed Trademarks are used properly as trademarks with the appropriate trademark symbol, generic noun, and attribution legend as required by Paragraph 4.3 of this Agreement.

4.     Proper Usage of Licensed Logo

4.1   Licensee shall use the Licensed Trademarks in conformance with the Branding Usage Guidelines attached to this License as Attachment B.  Texas Instruments may modify the Licensed Trademarks or the Branding Usage Guidelines at any time.  Licensee will use the new Licensed Trademarks or new Branding Usage Guidelines on its Licensed Web Site within 10 days of receipt of the new Licensed Trademarks or Guidelines from Texas Instruments or within a term as agreed by Texas Instruments.

4.2   Licensee shall not alter or modify the Licensed Trademarks or any Trademarks of Texas Instruments in any way.  Licensee may not integrate any Trademarks of Texas Instruments into any of Licensee's own trademarks, logos, or designs.  Licensee may not use any marks or logos that are confusingly similar to any Trademarks of Texas Instruments.

4.3    Licensee shall attribute ownership of all Licensed Trademarks to Texas Instruments by using the following trademark attribution in all graphics or text materials in which they are used: “ [referenced Trademark] are trademarks of Texas Instruments.


Oct. 1, 2000 - Jun.23, 2006

Jun. 24, 2006 - Sep. 2, 2006 Sep. 3, 2006 - current
Joerg Woerner
Lerchenstrasse 4
D-73235 Weilheim
Joerg Woerner
264 Countess Drive
West Henrietta, NY 14586
Joerg Woerner
17 Wren Field Lane
Pittsford, NY 14534


eMail: Joerg Woerner


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© Joerg Woerner, 2000 - 2022. No reprints without written permission.