josdejong/mathjs

cgs unit system

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#1,927 opened on Jul 27, 2020

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featurehelp wanted

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Description

Hi, thank you for your awesome math library!

I am thinking about taking advantage of this library and build a calculator for physicists and astronomers. Since cgs unit system is still widely used in the astronomy community, I'd like to help to add a cgs unit system to this library.

I found UNIT_SYSTEMS.cgs but didn't find a .toCGS() function. Here's what I plan to do:

  1. Complete UNIT_SYSTEMS.cgs: add a missing basic unit 'Ba = g/(cm⋅s2)'; implement the ESU units system for Electromagnetics.
  2. Define Unit.prototype.toCGS: copy Unit.prototype.toSI and change every instance of UNIT_SYSTEMS.si to UNIT_SYSTEMS.cgs.

Please let me know what do you think, or what is already in math.js that I missed.

Contributor guide

Research direction
Examine the existing UNIT SYSTEMS.cgs and toSI method to implement toCGS. Verify the completeness of CGS base units.
Tech stack
javascript
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitNode.js
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70