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The Foundry Blog

Sharper formulas. Cleaner sheets.

Insights, tutorials, and updates from the team building the future of spreadsheet development.

A computer monitor displaying a complex spreadsheet grid
12 min read

How to Use an Excel Formula Helper: 7 Effective Workflows

Discover how to use an excel formula helper to build resilient lookups, clean messy data imports, and troubleshoot complex spreadsheet errors efficiently.

A close-up of a cursor navigating a complex spreadsheet grid
14 min read

How Do You Master an Excel AI Formula Generator? 7 Proven Tactics

Discover how to effectively prompt artificial intelligence to build complex spreadsheet formulas, troubleshoot parse errors, and automate your data cleaning tasks without writing manual syntax.

Dual screen displaying text input translating into spreadsheet data.
17 min read

How to Use an Excel Formulator: 7 Overlooked AI Strategies

Discover how to use an excel formulator to generate accurate spreadsheet formulas. Learn how to write better prompts, audit outputs, and automate complex tasks.

A computer monitor showing empty spreadsheet grid lines on a desk
15 min read

How to Master an Excel Formula AI: 9 Painless Workflows

Learn exactly how to prompt an excel formula ai to generate perfect spreadsheet logic, audit the results safely, and eliminate frustrating syntax errors.

Spreadsheet interface demonstrating how to insert formula in Excel for entire column automatically
15 min read

How to Insert Formula in Excel for Entire Column Automatically: 5 Practical Methods

Stop dragging the fill handle. Discover how to insert formula in Excel for entire column automatically using dynamic arrays, tables, and shortcuts.

Spreadsheet interface showing messy data in one column and organised data in the next
13 min read

How to Master 12 Painless Excel Data Cleaning Formulas

Learn how to transform messy spreadsheet exports into flawless datasets. We cover the core functions you need to automate your entire data preparation workflow safely.

Abstract representation of data nodes and servers illustrating how to build a shared excel snippet library
12 min read

7 Bold Ways to Build a Shared Excel Snippet Library for Financial Teams

Discover how to build a shared excel snippet library to eliminate formula errors, standardize financial models, and streamline your complex spreadsheet logic permanently.

A structured grid planner on a desk illustrating how to use spreadsheet global variables.
13 min read

How to Use Spreadsheet Global Variables: 7 Bold Strategies

Discover exactly how to use spreadsheet global variables to streamline your data. We share practical, time-saving strategies to organize complex logic effortlessly.

Three monitors showing green data visualizations and grids as a formula editor for finance professionals.
11 min read

7 Honest Reasons You Need a Formula Editor for Finance Professionals

Discover why relying on standard native inputs is destroying your data accuracy, and learn how a dedicated formula editor transforms financial logic management.

Desk with a monitor showing interconnected nodes to help manage complex spreadsheet formulas.
12 min read

Stop Trusting the Native Bar: 7 Clever Ways to Manage Complex Spreadsheet Formulas

Discover how abandoning the standard formula bar and adopting a rich code-editor environment drastically improves accuracy, accelerates logic testing, and protects your critical financial models.

Person at holographic displays to refactor complex spreadsheet logic in an isometric digital workspace.
13 min read

Stop Errors: 9 Overlooked Ways to Refactor Complex Spreadsheet Logic

Discover nine overlooked methods to replace native formula bars with IDE-like precision, secure your financial models, and stop catastrophic reporting errors today.

Server racks with glowing internal circuits and floating cubes to manage complex spreadsheet formulas.
11 min read

9 Painless Rules to Manage Complex Spreadsheet Formulas

Discover how to manage complex spreadsheet formulas without the headache. Learn to use rich code editors, global variables, and shared snippet libraries today.