Editorial/Data Protection

Responsible for the pages on this web-site is

Stephan Leibbrandt (Managing Director)

Symbols and Numbers
Mathematische Software GbR
Stephan Leibbrandt • Dr. Peter Eschenbacher

Sales Tax Identification Number DE244823472


Domicile of the company:

Ringstraße 100
D-52078 Aachen
Phone+49 (0)241 566 08 28
Fax+49 (0)241 566 08 27
E-MailEMail Stephan Leibbrandt


No responsibility is taken for the contents of pages, for which a link points from the domain www.symbols-and-numbers.com.

Editorial/Data Protection • page checked on Dec. 5th 2010

Data Privacy Statement

The operators of this website take the protection of your personal data very serious. We process your personal data confidentially and according to data protection regulations. Legal basis is Art. 6 Abs 1 lit. b GDPR.

The usage of our website affords personal data for network communication, in particular:

  • IP-Address of the requesting device
  • Date and Time of the request
  • Address of the called website and the calling website
  • Information on the used browser and operating system

You are entitled to get at no cost information on your stored personal data, its origin and receivers and the purpose of the data processing as well as to get these data being corrected, blocked or deleted, if no other legal requirements contradict. Server log files are periodically deleted.

You are entitled to file a complaint at the data protection supervisory authority responsible for us:

Landesbeauftragte für Datenschutz und Informationsfreiheit Nordrhein-Westfalen
Postfach 20 04 44
40102 Düsseldorf