Feb 2026 monthly summary focusing on documentation quality and developer experience for geogebra/manual. Delivered a precise documentation fix correcting angle creation guidance typo in Hoek.adoc, with commit 8e6501d7d9903cdc95e2d3f9d53ac057c56e9e5a. Impact: clearer usage guidance, fewer onboarding questions, and improved documentation maintainability.

September 2025 monthly summary for geogebra/manual: Focused improvements to documentation for NOplossen and Klassengrenzen commands, ensuring accurate calculation explanations and clear boundary handling. Delivered targeted updates to two Asciidoc files, with traceable commits, enhancing user understanding and reducing potential misinterpretations. These changes support reliable usage in tutorials, examples, and downstream tooling.

Focused on documentation quality for geogebra/manual in 2025-08. No new features delivered this month; primary work centered on improving accuracy and maintainability of the MeetkundigePlaats command documentation. This work enhances user understanding and reduces potential support queries by ensuring the docs reflect the actual command parameters and behavior.

May 2025: Focused on improving developer-facing documentation in geogebra/manual to boost user confidence and reduce support overhead. Key features delivered include: Normaal function documentation improvements (clarified parameters/returns for CDF/PDF and updated interval-probability examples) and TSchattingTweeGemiddelden command documentation improvements (explicitly documenting that it computes a t-confidence interval for the difference between two sample means and the variance-pooling condition when variances are assumed equal). No major bugs fixed this month. Overall impact: clearer guidance accelerates correct usage of core statistical functions, lowers onboarding friction for new users, and supports faster feature adoption. Technologies/skills demonstrated: technical writing in AsciiDoc, disciplined version control with precise commit messages, and domain knowledge of normal distribution and two-sample t-intervals.

April 2025 (geogebra/manual) — Delivered documentation enhancements for Boxplot and Frequentie commands. Clarified Boxplot outlier parameter type as boolean and standardized examples for Frequentie, improving accuracy and readability of the manual. Achieved through targeted updates across Boxplot.adoc and Frequentie.adoc with three commits.

March 2025: Documentation-focused update for geogebra/manual. Delivered formatting enhancements for the Integraal command section, improving readability of mathematical expressions and reformatted fractions in integral calculation outputs. This reduces user interpretation errors and aligns the manual with established documentation quality standards.

February 2025: Focused documentation enhancements for the Numerieke_Integraal command in geogebra/manual. Delivered a comprehensive documentation upgrade clarifying usage, syntax variations for definite and indefinite integrals, plotting options, and the +c notation for indefinite integrals. This work preserved code stability while significantly improving user understanding and reducing support friction, enabling faster adoption and onboarding for the numeric integration commands.

January 2025 monthly summary for geogebra/manual: Delivered documentation-focused improvements for two math commands, Poisson and IteratieLijst, with attention to LaTeX correctness and example readability. No major bug fixes this month; primary outcomes include improved user-facing docs, streamlined onboarding, and better contributor guidance, translating to reduced support queries and faster rollout of tutorials.

Month: 2024-11 — Geogebra/manual: Focused on improving user documentation for command usage and output ordering. Key changes include grammatical correction in the Frequentie command description and updated example usage for Veeltermfunctie to reflect a different polynomial expansion. No major bugs fixed this month in this repository. Impact: clearer guidance reduces user error and accelerates adoption of these commands. Skills demonstrated: technical writing, documentation best practices, version-control discipline, and collaboration across product and developer docs.