文件名称:compulater
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1. 计算器实现的功能
(1)整数的加、减、乘、除运算;
(2)小数的加、减运算,包含小数加、减整数;
(3)运算出错后报错,并重新开始。
(4)LED显示输出
2. 运算状态下,报错的几种情况(按‘=’后重新开始)
(1)应该输入数字时,按符号,即第一个输入的数字是符号;
(2)两数之和大于四位数;
(3)两数之差为负数;
(4)乘法的结果大于四位数;
(5)除法的除数是零;
(6)运算小数乘法;
(7)运算小数除法。
-1. Calculator realize the function of (1) integer add, subtract, multiply, with the exception of computing (2) decimal add, subtract operation, including the decimal add, subtract integers (3) operator error after error, and re-开始. (4) LED display 2. Computation state, error of several situations (according to
(1)整数的加、减、乘、除运算;
(2)小数的加、减运算,包含小数加、减整数;
(3)运算出错后报错,并重新开始。
(4)LED显示输出
2. 运算状态下,报错的几种情况(按‘=’后重新开始)
(1)应该输入数字时,按符号,即第一个输入的数字是符号;
(2)两数之和大于四位数;
(3)两数之差为负数;
(4)乘法的结果大于四位数;
(5)除法的除数是零;
(6)运算小数乘法;
(7)运算小数除法。
-1. Calculator realize the function of (1) integer add, subtract, multiply, with the exception of computing (2) decimal add, subtract operation, including the decimal add, subtract integers (3) operator error after error, and re-开始. (4) LED display 2. Computation state, error of several situations (according to
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compulater.txt