February 2026 monthly work summary for typst/typst focusing on business value and technical achievements in the Calc module. Key features delivered: - Calc Module: Added inverse hyperbolic functions (asinh, acosh, atanh) to extend mathematical capabilities for scientific and engineering document authoring. Commit: 26b351de97587c752aee939dad5cecb459abf68d (co-authored-by: Laurenz). Major bugs fixed: - None reported in the provided data for this month. Overall impact and accomplishments: - Expanded mathematical expressiveness in documents, enabling users to perform a wider range of calculations directly within Typst, reducing the need for external math tooling and improving workflow efficiency for technical authors. - Demonstrated code quality and collaboration through precise commit messaging and co-authored contributions, contributing to maintainability and team knowledge sharing. Technologies/skills demonstrated: - Rust-based Typst Calc module development, API extension, and version control practices. - Math library enhancements within a production-grade document typesetting system. - Collaboration and attribution (co-authored commits), illustrating team-driven development. Business value: - Faster authoring of mathematical documents with advanced functions, enabling more scenarios (e.g., scientific papers, technical reports) and potentially increasing user adoption and satisfaction.