CalcMod: NeoForged
This is an unofficial port of CalcMod by jsa2025 to NeoForge 21.1.228 / Minecraft 1.21.1 — a version not covered by upstream.
Full feature parity with upstream. No features added, none removed.
📚 Documentation & usage
This page intentionally stays minimal. For the full feature list, command syntax, variables, and gallery, see the official pages:
- 🔗 Modrinth: https://modrinth.com/mod/calcmod
- 🔗 GitHub (upstream): https://github.com/js802025/calcmod
✨ Quick preview
| /calc 3+(28/8)^2 |
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| /calc craft piston 3 sb |
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| /calc nether ~ ~ ~ |
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Click any green text in-game to copy it to your clipboard.
🧾 Backport changes
- Build system: ForgeGradle 6 → ModDevGradle 2 (NeoForge)
mods.toml→neoforge.mods.toml, Forge event-bus imports → NeoForge equivalentsCraft.java/RecipeSuggestionProvider.javabackported from MC 1.21.4'sRecipeDisplayAPI to MC 1.21.1'sRecipeAPI- Jar renamed to
calcmod-neoforged-*so it's visibly distinct from official releases
📝 Credits & license
All credit for the mod itself goes to jsa2025. Port maintained by F0x06. Licensed under MIT (same as upstream).
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as calcmod-neoforged-1.4.2+neoforge.1.21.1.jar — drop this file into the mods folder
- Download size: 517 KB
- Download link checked 6 Sept 2026 — working
These come from our own check of the pack file, not from the source page.