Data Science Tutorials

Understand why the #SPILL! error appears when using dynamic arrays in Excel. Learn how to fix it, prevent it, and make the most of Excel’s array formulas.

Power BI users from Excel always find out that Power BI does not have a native COUNTIF() function. This article will show various ways to implement COUNTIF() in Power BI and its practical use cases.

Master the power of Git branches for smoother development and better collaboration.

Learn how to use n8n to build AI agents that automate email processing and create a retrieval-augmented generation (RAG) agent for document question answering.

Learn about the various lookup functions in Excel and how they are applied through examples.

Learn how to calculate age in Excel using simple, accurate formulas. Discover methods with DATEDIF(), YEARFRAC(), and INT() functions to handle birthdays, specific dates, and special cases.

Learn how to effectively use Excel’s built-in spell check feature to identify and correct errors in your worksheets. This guide covers everything from basic steps to advanced techniques.

Learn what Helm charts are, how they work, and how to use them to take control of your Kubernetes deployments.

Learn multiple methods to insert superscripts in Excel for both text and numbers using formatting tools, keyboard shortcuts, equations, formulas, custom number formats, and VBA. Discover the practical use cases for superscripts in professional and technical contexts.

Learn how to use the Grok 3 API for tasks ranging from basic queries to advanced features like function calling and structured outputs.

Learn how to generate and edit images with the GPT-Image-1 API, including setup, parameter usage, and practical examples like masking and combining multiple images.

Discover how to create hyperlinks in Excel using the toolbar, HYPERLINK() function, and macros. Understand dynamic link creation, formatting tips, and workarounds for common limitations.