Simple In-Game Calculator

Конечно, для Modrinth лучше всего использовать английское описание, так как это привлечет пользователей со всего мира. Вот готовый текст для поля Description:

Simple In-Game Calculator
Simple In-Game Calculator is a lightweight and user-friendly mod for Fabric 1.21.4 that adds a fully functional calculator directly into the Minecraft interface. No more Alt-Tabbing or searching for your phone to calculate resources for your next big build or redstone farm.

Key Features:
Quick Access: Open and close the calculator instantly by pressing the K key (the keybinding can be customized in the controls menu).

Compact Design: The interface is specifically optimized for a standard scale (Scale 2), ensuring it doesn’t block your entire view.

Smart Formatting: The mod automatically formats large numbers with dots (e.g., 1.000.000), making it much easier to read calculation results.

Full Functionality: Supports addition, subtraction, multiplication, and division. It includes a clear screen button (C) and a Backspace button to fix typing errors.

Native Look: The buttons and panels are designed to match the standard Minecraft UI style, blending perfectly with the game’s atmosphere.

Requirements:
Game Version: 1.21.4

Modloader: Fabric

Dependency: Requires Fabric API to be installed.

How to upload your file:
Save the description and go to the Versions tab.

Click “Create new version”.

Upload your calculatorfun-1.21.4.jar (14 KB) from the build/libs folder.

Select 1.21.4 as the game version and check the Fabric box.