本系统采用51单片机和1602液晶做成液晶计算器液晶显示计算的结果，并且可以支持浮点运算和三角函数，通过DS18B20可以实时测温。,The system uses a 51 and 1602 single-chip liquid crystal display calculated results, and can support the floating-point operations and trigonometric functions, through DS18B20 real-time temperature measurement.