文件名称:cPP-Calculator
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（1）具备整型数据、浮点型数据的算术（加、减、乘、除）运算功能。依次输入第一个运算数、运算符（+，-，*，/）、第二个运算数，然后输出结果。结果可以作为下一个运算的第一运算数。按‘C’清屏，按‘R’返回 菜单。
例如：输入：2
+
5
输出：7
（2）实现单运算符表达式计算的功能。输入的操作数可以包含整数或浮点数。输入表达式如下：
例如：输入：2+5
输出：7-(1) with integer data, floating point arithmetic (addition, subtraction, multiplication, division) arithmetic functions. Followed by input of the first operand, operator (+,-,*, /), the second operand, and then output the results. The results can be used as the first operand of the next operation. Clear the screen, press the ' C' Press ' R' to return to the menu. Example: Input: 2+ 5 output: 7 (2) single operator expression. Input operands can contain integer or floating-point number. Enter the expression as follows: For example: Input: 2+5 output:
例如：输入：2
+
5
输出：7
（2）实现单运算符表达式计算的功能。输入的操作数可以包含整数或浮点数。输入表达式如下：
例如：输入：2+5
输出：7-(1) with integer data, floating point arithmetic (addition, subtraction, multiplication, division) arithmetic functions. Followed by input of the first operand, operator (+,-,*, /), the second operand, and then output the results. The results can be used as the first operand of the next operation. Clear the screen, press the ' C' Press ' R' to return to the menu. Example: Input: 2+ 5 output: 7 (2) single operator expression. Input operands can contain integer or floating-point number. Enter the expression as follows: For example: Input: 2+5 output:
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c++ Calculator.docx