excel-custom-functions

SkillAI Tool

TEST Learn how to use custom functions in Excel (similar to user-defined functions, or UDFs). Custom functions are JavaScript functions that you can add to Excel, and then use them like any native Excel function (for example =Sum). This sample accompanies

Directory Presence

Cross-referenced across 55 tracked directories

Directory	Status	First Seen	Last Confirmed	Link
N npm Skills Registry		3/14/2026	4/2/2026

Adoption Metrics & Statistics

#3775

Popularity Rank

1 / 55

Listed In

Emerging

Adoption Stage

11/1/2018

First Seen

Recently added to the ecosystem

Health Score

9/100

Directory Presence5/20

Community0/30

Usage0/20

Development Activity4/30

Directory Adoption Over Time

Mar 14, 26: + npm Skills Registry

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