添加项目文件。

ScientificCalculator/main.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+#include<string>
+#include "Calc.h"
+
+using namespace std;
+
+int main() {
+    string input;
+    cout << "<EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD> q <20>˳<EFBFBD>)<29><>\n";
+
+    while (true) {
+        cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ > ";
+        getline(cin, input);
+
+        if (input == "q" || input == "quit")
+            break;
+
+        double result;
+        if (Calc::safeEval(input, result)) {
+            cout << "= " << result << endl;
+        }
+        else {
+            cout << "[<5B><><EFBFBD><EFBFBD>] <20><><EFBFBD><EFBFBD>ʽ<EFBFBD>޷<EFBFBD><DEB7><EFBFBD><EFBFBD><EFBFBD>\n";
+        }
+    }
+
+    cout << "<EFBFBD><EFBFBD>лʹ<EFBFBD>ã<EFBFBD><EFBFBD>ټ<EFBFBD><EFBFBD><EFBFBD>" << endl;
+    return 0;
+}