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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 spreadsheet grid showing highlighted cells and a formula calculation bar.
12 min read

7 Reliable Ways to Fix google sheets formulas multiply errors

Learn how to troubleshoot broken multiplication formulas, scale calculations across entire columns, and handle messy text formats in Google Sheets with practical, step-by-step methods.

Abstract representation of a spreadsheet interface highlighting data cells.
12 min read

Excel Formula Writer Tool: 7 Essential Ways to Stop Hand-Coding

Stop memorizing complex syntax and start automating your workflow. Learn how to correctly prompt an AI tool to generate perfect spreadsheet logic without the frustrating errors.

A bright computer monitor displaying a colorful grid of empty spreadsheet cells.
18 min read

15 Underrated Functions for Your Google Sheets Formulas List

Stop struggling with broken spreadsheet functions. Learn the exact syntax for text cleaning, lookups, and conditional logic with this practical workflow guide.

A spreadsheet grid showing a highlighted column and the formula fill handle
13 min read

Stop Dragging: 5 Honest Methods to Populate Spreadsheet Columns Fast

Learn how to instantly apply formulas across thousands of rows without relying on the manual fill handle, avoiding file bloat and software crashes.

A split interface comparing a plain text prompt to a structured spreadsheet grid
13 min read

Formula Generator for Excel Beginners: 7 Painless Methods

Learn how to transform plain English into perfect spreadsheet syntax. We explore practical methods to automate calculations, fix errors, and speed up your workflow.

Dual monitors displaying ai powered spreadsheet automation workflows in a modern office setup.
13 min read

7 Real Tactics to Build AI Powered Spreadsheet Automation Workflows

Learn how to eliminate repetitive data entry and build resilient automated pipelines in your spreadsheets using intelligent prompt engineering and clean data structures.

A practical excel formulas list with examples displayed alongside a spreadsheet grid on a monitor.
14 min read

Practical Excel Formulas List With Examples: 24 Crucial Tips

Master spreadsheet automation with this comprehensive guide. Learn to clean data, build dynamic lookups, and troubleshoot errors effortlessly.

A spreadsheet grid alongside an empty dialogue box on a monitor screen.
13 min read

7 Practical Ways to Master How to Use Excel GPT for Data

Learn practical workflows for building complex spreadsheet formulas, cleaning messy datasets, and automating reports using artificial intelligence.

A computer monitor showing a colorful spreadsheet grid
16 min read

Excel AI Tools for Formulas: 7 Underrated Options for Workflow

Discover how the right intelligent platforms can instantly clean messy data, generate complex spreadsheet logic, and automate your most repetitive tasks.

A laptop screen showing a spreadsheet with a glowing input box representing how to use AI for Excel formulas
13 min read

How to Use AI for Excel Formulas: 7 Proven Methods

Learn how to use AI for Excel formulas to automate complex tasks, troubleshoot errors, and save hours of manual data entry.

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15 min read

7 Critical Workflows for Your Essential Excel Formulas PDF Cheat Sheet

Stop memorising complex spreadsheet syntax. Discover the core functions, logic operations, and dynamic arrays you need to clean data and automate your daily reporting workflows.

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.