# Commands about the Prompt Calculator [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) **Commands：** - [CAL (GstarCAD 2026)](../../2026/Commands/CAL.md) **System Variables：** - [CALCINPUT (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/CALCINPUT.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/Commands%20about%20the%20Prompt%20Calculator.html) · © Gstarsoft Co., Ltd.