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The Foundry Blog

Sharper formulas. Cleaner sheets.

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

Laptop on a desk displaying a spreadsheet of rows and columns beside a notepad
7 min read

Excel Formula List With Examples for Beginners: Stop Memorizing

A task-based Excel formula list with examples you can copy, plus the reasons a pasted formula fails in your own workbook and how to fix each one.

Laptop with a spreadsheet open beside a printed reference sheet on a desk
7 min read

Excel Formulas Cheat Sheet PDF for Beginners: The Hidden Limits

A cheat sheet PDF saves time, but only if you pick the right formulas, check your Excel version, and avoid copy errors. Here is how to build your own.

A visual representation of data cleaning in excel showing chaotic cells becoming organized.
12 min read

Remarkable Tactics for Perfect Spreadsheets: A Non-Expert Guide

Learn the exact functions and practical steps to fix messy spreadsheets automatically. Stop doing manual corrections and transform chaotic exports into reliable reports today.

A smooth blue symmetrical line chart displayed on a bright computer monitor
13 min read

Proven Methods to Build a Normal Distribution Graph

Learn how to prepare your spreadsheet data, calculate standard deviation, and plot accurate normal distribution charts without being a statistics expert.

A monitor displaying cascading data structures to illustrate how to use array formulas in google sheets.
13 min read

Real Solutions for Scaling Data: How to Use Array Formulas in Google Sheets

Learn how to replace thousands of repetitive cell calculations with a single master formula, preventing manual errors and scaling your data workflows effortlessly.

A secure approach to generating spreadsheet formulas using automation tools without exposing data.
19 min read

Stop Hand-Coding: Why the Best Free AI for Excel Formulas Protects Your Private Data

Discover why pasting your raw spreadsheet data into web bots is a massive security risk, and learn how to use syntax generators safely to write complex spreadsheet logic without exposing your numbers.

Abstract representation of data cleaning in a modern spreadsheet environment.
16 min read

Effective Data Cleaning: 7 Ways to Master How to Use Google Sheets AI Functions

Learn how to practically deploy native workspace intelligence to clean messy data, summarize text, and troubleshoot common formula errors.

Grid of data cells connected by logical processing paths
16 min read

Effective Methods for Accurate Spreadsheet Syntax

Struggling with syntax? An automated generator translates plain English into working functions. Learn how to generate, validate, and troubleshoot your spreadsheet logic.

A spreadsheet grid with a highlighted macro shape.
16 min read

How to Create a Google Sheets Macro Button: 5 Practical Steps

Learn how to automate your repetitive spreadsheet tasks with a single click by recording a script and attaching it to a custom drawing.

Comparing spreadsheet automation tools to native scripting paths
15 min read

Spreadsheet Automation Tools vs Macros: Which is Essential?

Discover how modern spreadsheet automation tools compare to native macros, and learn exactly which approach fits your daily data workflow.

A spreadsheet grid interface next to a text generation panel
14 min read

7 Remarkable Ways to Master How to Use an Excel Formula Builder

Discover practical methods to generate spreadsheet syntax automatically, avoid common calculation errors, and streamline your daily data workflows without hand-coding.

google sheets formulas multiply columns seamlessly
11 min read

Google Sheets Formulas Multiply Columns: 7 Overlooked Tactics

Learn exactly how to multiply columns across massive datasets, fix formatting errors, and automate your calculations without crashing your spreadsheet.