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wtf is digital?

tommyettinger/digital — explained in plain English

Analysis updated 2026-07-22 · repo last pushed 2026-07-15

21JavaAudience · developerComplexity · 2/5ActiveSetup · easy

TL;DR

A Java library providing utility tools for handling math and displaying numbers, filling gaps left by Java's built-in number handling.

Mindmap

mindmap
  root((repo))
    What it does
      Number formatting
      Math utilities
      Type conversion
    Tech stack
      Java
    Use cases
      Financial software
      Game math
      Data display
    Audience
      Java developers
      Niche users

Code map

Detail Auto

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filefunction / class

Why would anyone build with this?

REASON 1

Format numbers for clean display in a data dashboard application.

REASON 2

Perform precise rounding for financial or accounting software.

REASON 3

Run fast math operations in game development.

What's in the stack?

Java

How it stacks up

tommyettinger/digitalautismdevelopment/autism-clientmanning/mergealgorithms
Stars212222
LanguageJavaJavaJava
Last pushed2026-07-152017-04-06
MaintenanceActiveDormant
Setup difficultyeasyhardeasy
Complexity2/53/53/5
Audiencedevelopergeneralresearcher

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Likely requires adding the library as a Java dependency, but documentation is sparse.

The license terms are not specified in the repository description or README.

Wtf does this do

The README doesn't go into detail, so the best guide here is the repository's own description: it provides utilities for handling math and showing numbers in Java. At a high level, this means the project offers tools to make working with numbers in Java programs easier or more flexible than what the language gives you out of the box. That could involve formatting numbers for display, converting between number types, or doing calculations that Java's standard library doesn't handle well or at all. Because Java is widely used in business and scientific software, better number-handling utilities can save developers time and reduce bugs. Who would use this? Likely Java developers building applications where number formatting or math matters, for example, financial software that needs precise rounding, games that need fast math, or data tools that display large quantities in readable ways. If you've ever hit Java's limits when trying to print a number just right or do a calculation that the standard library doesn't support, this kind of library fills that gap. What's notable is simply that someone took the time to package these utilities for others. The project has a small following, suggesting it solves a real if modest problem for a niche audience. Without more documentation, it's hard to say much else about its specific features or design choices.

Yoink these prompts

Prompt 1
I need a Java utility to format large numbers for user-friendly display. How can I use the digital library to format numbers with commas or specific decimal places?
Prompt 2
I am building a financial application in Java and need precise rounding control. Can I use the digital library for exact decimal rounding without floating point errors?
Prompt 3
Show me how to use the digital Java library to convert between different number types safely.

Frequently asked questions

wtf is digital?

A Java library providing utility tools for handling math and displaying numbers, filling gaps left by Java's built-in number handling.

What language is digital written in?

Mainly Java. The stack also includes Java.

Is digital actively maintained?

Active — commit in last 30 days (last push 2026-07-15).

What license does digital use?

The license terms are not specified in the repository description or README.

How hard is digital to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is digital for?

Mainly developer.

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