Better Calculator

Better Calculator adds a fast, clean calculator directly inside your Minecraft inventory.

No alt-tabbing. No phone calculator. No chat math. Just open your inventory, click the calculator button, and calculate what you need.

What it does

• Adds a small calculator button to the player inventory.
• Opens a dark/orange calculator overlay.
• Supports keyboard input and clickable buttons.
• Keeps a short calculation history.
• Lets you copy the current result with Ctrl+C.
• Lets you paste expressions with Ctrl+V.
• Supports common scientific functions and constants.

Supported input

Operators:

+  -  *  /  %  ^  ( )

Functions:

sin cos tan sqrt ln log pow min max abs floor ceil round deg rad

Constants:

pi e

Compact suffixes:

10k = 10000
2.5m = 2500000
1b = 1000000000

Why

Useful for shop prices, stack math, auction values, coordinate calculations, ratios, and quick formulas while playing.

Requirements

• Minecraft 1.21.11
• Fabric Loader 0.18.5+
• Java 21+

Fabric API is not required.

Client / Server

Better Calculator is client-side only. You can use it on multiplayer servers without installing it server-side.

Some servers restrict client-side mods in general. Check your server rules if needed.