# Commands about the Prompt Calculator [GstarCAD 2025](Help%20System/GSTARCAD/2025/Index.md) → [Commands](Help%20System/GSTARCAD/2025/Commands/(Commands).md) **Commands：** - [CAL](Help%20System/GSTARCAD/2025/Commands/CAL.md) **System Variables：** - [CALCINPUT](../System%20Variables/CALCINPUT.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2025_en-US/detail/commandReferences/Commands%20about%20the%20Prompt%20Calculator.html) · © Gstarsoft Co., Ltd.