Calc
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21–1.21.10 on Fabric. On other versions it may install and then do nothing.
# Calculator Command (/calc)
**Description:**
The Calculator Command mod adds a convenient `/calc` command to Minecraft, letting players perform mathematical calculations directly in-game. It’s ideal for builders, redstone engineers, or admins who need quick math without leaving Minecraft.
---
## Features
- **Command:** `/calc <expression>` — instantly calculates your math input.
- Supports `+`, `-`, `*`, `/`, and parentheses.
- Returns results in color-coded chat messages.
- Works in both singleplayer and multiplayer (permission-based).
- Lightweight and compatible with most modpacks.
---
## Examples
- /calc (25+10)*4 → Result: 140
- /calc 34.5*2 → Result: 69
- /calc 5+5+5-5 → Result: 10
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.5, 1.21.8
- 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 CurseForge — 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.
- Ships as calculator 1.21.x.jar — drop this file into the mods folder
- Download size: 15 KB
- Download link checked 2 Oct 2026 — working
These come from our own check of the pack file, not from the source page.