· legal

Terms of
use

01

Free

Service is provided free of charge, no registration required.

02

AS-IS

Calculation is approximate. Final geometry is the engineer's responsibility.

03

No warranty

Operator is not liable for staircases built from the calculation.

01 /Terms

Service— online configurator GoldenCalc available at calc-build.ru, calc-build.by, and calc-build.com.
Operator— the natural or legal person hosting the Service.
User— any person using the Service in any form.
Calculation— the approximate geometry, material and cost result obtained by the User.

02 /Scope of agreement

Operator grants the User a non-exclusive right to use the Service for wooden staircase calculation, free of charge. All features are available without registration and without per-calculation limits.

03 /Use

The User may use Calculation results for personal, professional, and commercial purposes. The User shall not use automated tools to load-test the Service or to reverse-engineer the calculation logic.

04 /Liability of the parties

Important
The Service is provided "AS IS". Operator is not liable for the build quality or safety of staircases built from the Calculation. Final verification of geometry and code compliance is the responsibility of the User or their hired engineer.

Operator does not warrant that the Service will operate uninterrupted or error-free and does not undertake to fix defects within any specific timeframe.

05 /Intellectual property

Source code, interface design, and calculation algorithms belong to the Operator. Calculation results (configurations, JSON and PNG exports) belong to the User and may be used without restriction.

06 /Dispute resolution

Disputes arising in connection with the Service are resolved through negotiation. Failing agreement — judicially at the Operator's place of registration under applicable law.

07 /Final provisions

The agreement takes effect upon first use of the Service. Operator may unilaterally amend the agreement. Continued use after changes are published constitutes acceptance of the new revision.