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Calc project artwork

CurseForge · Minecraft mod

Calc

This project adds a command that allows you to complete math calculations inside your game.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Calc release should I use?

Updated 12 months ago
Latest stable file calculator 1.21.x.jar
Game version 1.21.2-Snapshot, 1.21, 1.21.6-snapshot
Loader Fabric

calculator 1.21.x.jar targets 1.21.2-Snapshot, 1.21, 1.21.6-snapshot with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Calc required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does calculator 1.21.x.jar need?

calculator 1.21.x.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Calc without breaking your instance.

Built for calculator 1.21.x.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use calculator 1.21.x.jar. It targets 1.21.2-Snapshot, 1.21, 1.21.6-snapshot with Fabric; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside calculator 1.21.x.jar. It opens that exact file at the source.

About this project

What does Calc add?

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

Project description from CurseForge.

Pick your setup

Calc by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

18 available setups

Showing the newest 12 of 18 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

Calc versions and loaders

1 of 1 releases match

Looking for an older file? The official CurseForge project page is in Resources.