Software · Education & science

roughlogic.com

Always free field math and reference for the trades.

Completely free
the web
Open source
No account

Overview

roughlogic.com is a calculator, available on the web.

Features described in its GitHub repository: offline use.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Free calculators for the trades.” — GitHub, 10 November 2026
“No ads, no accounts, works offline.” — GitHub, 10 November 2026

At a glance

roughlogic.com is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) — 8 November 2026
Last technical check: 8 November 2026
Description from github.com — Dépôt GitHub clay-good/roughlogic.com (MIT)

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