Contact Us
Reach us directly by email. We typically respond within 2 business days.
General inquiries
Questions about the site, calculators, or anything else.
infotagoweb@gmail.com
Calculator corrections
Found an error in a formula, result, or assumption? Let us know.
infotagoweb@gmail.com
Calculator suggestions
Have an idea for a new calculator we should build?
infotagoweb@gmail.com
Privacy & legal
GDPR requests, data inquiries, or legal matters.
infotagoweb@gmail.com
Company Information
Hologram shop s.r.o.
V jámě 1371/8, Nové Město (Praha 1), 110 00 Praha, Czech Republic
Company ID (IČ): 01485105
Operated by Hologram shop s.r.o., V jámě 1371/8, 110 00 Praha, Czech Republic. IČ: 01485105.