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The Foundry Blog

Sharper formulas. Cleaner sheets.

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

Isometric 3D blocks and glowing lines showing advanced multi-line formula formatting on a dark grid background.
13 min read

7 Proven Strategies for Advanced Multi-Line Formula Formatting

Discover how treating spreadsheet logic like software code eliminates errors. Learn the engineering principles behind advanced multi-line formula formatting to scale your financial models.

Stylized laptop and calculator with floating data windows to Excel evaluate nested formulas fast.
13 min read

Excel evaluate Nested Formulas: 9 Easy, Effective Ways to Debug Without Losing Your Weekend

Excel evaluate sounds simple until a nested IF turns into a black box. This guide shows a faster, more auditable way to debug formulas using Evaluate Formula, F9 checks, and a lightweight “IDE-like” workflow.

3D graphic of a monitor with arrows showing how to read Trace Dependents in Excel, plus keyboard and mouse.
14 min read

How to Read Trace Dependents in Excel: 7 Essential Truths Analysts Ignore

Most analysts use Trace Dependents wrong. Discover 7 essential truths about reading Excel’s dependency arrows correctly and why your current approach is costing you hours of debugging time.

Transparent glass screens on a wooden desk showing advanced spreadsheet formula debugging ms excel.
11 min read

Advanced Spreadsheet Formula Debugging in MS Excel: 7 Brutal Truths You Keep Ignoring

Advanced spreadsheet formula debugging in MS Excel is not a skill gap — it is a systems failure. These 7 brutal truths expose why manual debugging destroys analyst productivity and what you should do instead.

3D isometric graphic showing automating Excel XLOOKUP with AI assistant amid a web of data cubes and a broken lock.
11 min read

Automating Excel XLOOKUP With AI Assistant: 7 Ultimate Reasons Your Savior Is a Scam

You believe that handing your spreadsheet logic to a chatbot will solve your productivity problems, but it merely masks fundamentally broken data architecture. Discover why relying on these tools is a critical analytical failure.

Robotic hand touching a node diagram on a screen to help debug nested IF formulas.
12 min read

Debug Nested IF Formulas: 7 Proven Ways to Stop Crying Over Spreadsheets

Discover why manual spreadsheet syntax is a trap, and learn proven, stress-free strategies to fix complex logic errors without sacrificing your weekend.

Glass laptop with floating data nodes to fix Google Sheets formula errors.
13 min read

Fix Google Sheets formula errors: 7 Proven Ways to Reclaim Your Weekend

Discover practical strategies to troubleshoot broken spreadsheets and reclaim your family time using smart workflows and modern visual tools.

Glass monitor showing Google Sheets global variables spreadsheet, digital tablet, and coffee on a dark background.
15 min read

Google Sheets global variables: 7 Ultimate Ways to Stop Hardcoding

Discover why hardcoding numbers is ruining your spreadsheets. Learn how to use global variables to save time, eliminate errors, and reclaim your professional dignity.

Isometric laptop with screens to define custom variables in Google Sheets.
5 min read

Define Custom Variables in Google Sheets: Stop Hardcoding Numbers

Learn why hardcoding numbers is dangerous and discover how to define custom variables in Google Sheets to save time, reduce syntax errors, and protect your data.

3D illustration of a green translucent Google Sheets formula editor with floating blocks and UI components.
4 min read

The Native Google Sheets Formula Editor Is Garbage (Here’s Why)

Stop writing complex logic in a single-line text box. It’s time to treat formulas like code. Discover why the default editor is holding you back and how a rich coding environment changes the game.

Digital screen with glass blocks and charts as abstract helper columns in Google Sheets.
4 min read

Helper Columns in Google Sheets: Why They Signal Weak Data Strategy

Most users rely on helper columns to break down complex logic, but this habit creates bloat and technical debt. Discover why true efficiency lies in consolidated formulas and better tooling.

Isometric 3D graphics showing how to convert Excel formulas to Google Sheets through a data processing interface.
3 min read

How to Convert Excel Formulas to Google Sheets Without Losing Your Mind

Moving data to the cloud? Learn how to convert Excel formulas to Google Sheets without the syntax headaches. We cover common errors and quick fixes.