DimCalculator 是一款为高中物理学习设计的智能量纲计算器，支持直接输入带单位的表达式（如 5m + 20cm），自动进行单位换算和量纲检查，并给出清晰的计算结果。

A Python-based physics calculator that automates fundamental physics equations. The script features functions to convert temperatures between Fahrenheit and Celsius, calculate force based on mass and acceleration, determine energy from mass ($E = mc^2$), and compute physical work over a given distance.