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excel-formulas

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tinyexpr-plusplus

Tiny recursive descent expression parser, compiler, and evaluation engine for math expressions and spreadsheet formulas in C++.

  • Updated Sep 13, 2026
  • C++

openpyxl alternative for Python with a Rust backend: edit existing Excel .xlsx and .xlsm files in place without losing formatting, charts, or macros, and recalculate common formulas. WolfXL 2.0.21 measured 6.7-12.0x faster than openpyxl 3.1.5 on the committed read/write benchmark. MIT.

  • Updated Oct 30, 2026
  • Python

A complete hands-on Excel reference workbook covering 14 essential topics for navigation, formatting, data management, and professional spreadsheet design

  • Updated Jun 24, 2026

Official open-source hub for Data Solutions Lab. by Osman Uluhan — building Excel & Python automation tools, VBA macros, and algorithmic trading systems with smart data workflows.

  • Updated Oct 23, 2025

A comprehensive resource for mastering data analysis in Excel with Microsoft Copilot. Features the dataset and prompts from the YouTube tutorial, plus an expanded guide with best practices and advanced techniques.

  • Updated Sep 6, 2026

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