在8位单片机中的浮点数运算---开方，乘法，除法，反正切

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所用单片机：EM78系列，所用仿真器ICE468。 int 1byte  , long 4byte Bit data type cannot be used as a return value.  Double and float are NOT supported by the EM78 Series C Compiler.   开平方根 unsigned long sqrt_16(unsign...