Using the toolbox
Terms of Use
These draft terms describe the basic conditions for using 12345678910.site.
Draft for pre-launch review. Last updated: August 9, 2026.
Permitted use
You may use the public tools for lawful personal or business calculations. The site's source code, original content, and brand assets remain proprietary unless stated otherwise.
Availability and changes
Tools may change as formulas, standards, and product requirements evolve. We may correct, replace, or remove functionality when needed.