Calculator Mod

A simple client-side chat calculator for Minecraft 1.21.1 (NeoForge).

Overview

Calculator Mod allows you to evaluate mathematical expressions directly from the chat.
Simply start your message with @ followed by a formula, and the result will be displayed in your chat.

Features:

• Evaluate arithmetic expressions using double precision.
• Optional inline or multi-line result display (configurable).
• Client-side only: does not require server installation.
• Configurable warnings and display options.

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Usage

Type a calculation in the chat starting with @

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Configuration

The mod provides a client-side configuration file (config/calculator-client.toml) with the following options:

Option	Description	Default
suppressWarning	Show a warning on login about possible rounding errors	false
resultInline	Display calculation results in the same line as input	false

Note: This calculator uses double precision. Results may contain rounding errors.

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License

Calculator Mod: MIT License

Third-party libraries:

• exp4j — Apache License 2.0
  (Source code included with license header preserved)