math-engine
by Arctic-Antarctic
确定性数学运算引擎。当用户需要精确数值计算、表达式化简/展开/因式分解、 符号微分与积分、或解方程时调用。把表达式交给本工具计算，不要心算或用语言模拟计算。 Deterministic math engine. Invoke whenever the user needs exact arithmetic, expression simplify/expand/factor, symbolic differentiation or integration, or equation solving. Always route the expression to this tool instead of computing it in your head.