How-To Geek on MSN

How to use the REPT function in Excel to create text-based progress bars

Build stable, high-performance dashboards using REPT formulas and UNICHAR symbols instead of conditional formatting.
How-To Geek on MSN

How to use the BYROW function in Microsoft Excel

BYROW replaces thousands of table formulas with one spill formula, making spreadsheets leaner and much more robust.
Computerworld

Small and Medium Business

Two more evolving threats: JavaScript in Excel and payment processing in Outlook In the well-established Office Ready-Fire-Aim tradition, Microsoft adds two new “features” that beg to be abused.
GitHub

kouts/excel-formula-utilities

This project is a port of the excel-formula library to ES6. It contains a set of functions that can be used to pretty print Excel formulas and convert them into JavaScript, C# or Python code.