Terms of use
PiSpace Tools is a collection of free browser tools published by Dewan Razib.
Files and results
Use files and material you have permission to handle. Keep the originals and check the output before relying on it. Supported formats, file-size limits and offline use depend on your browser, device and the tool you choose.
Calculators and references
Currency, inflation and other calculators use the sources and assumptions shown alongside the result. Use them for general information and verify any result you need for an official, financial or legal decision.
Software and data licences
The open-source licences page lists the terms for the libraries used by the tools. Datasets keep the source terms shown on the relevant tool. For a problem or reuse question, see Contact.