算术符号 meaning in Chinese

arithmetic sign

Listing 7 shows the macro definition to define math symbols using these functions
清单7给出的宏定义使用这些函数定义了算术符号：
As an example we will write a small program to read and evaluate arithmetic expressions consisting of floating point numbers , parentheses and the usual operators for addition , subtraction , and so on
例如我们要写一个计算由浮点数、圆括号及一些常用的加、减等算术符号组成的算术表达式的程序。