From f52e431ea07c91f59e9f6878f107b32408f891b4 Mon Sep 17 00:00:00 2001
From: Latt3x <stryzhevskyymatviy@gmail.com>
Date: Thu, 23 Jul 2026 19:28:46 +0300
Subject: [PATCH] Add files via upload

---
 calcnew.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 calcnew.cpp

diff --git a/calcnew.cpp b/calcnew.cpp
new file mode 100644
index 0000000..942cad3
--- /dev/null
+++ b/calcnew.cpp
@@ -0,0 +1,62 @@
+#include <iostream>
+#include <stdexcept>
+
+class Calculator {
+private:
+    int currentValue; 
+
+public:
+    
+    Calculator(int initialValue = 0) : currentValue(initialValue) {}
+
+    
+    static int calculate(const int& value1, const int& value2, const char& operation) {
+        switch (operation) {
+        case '+': return value1 + value2;
+        case '-': return value1 - value2;
+        case '*': return value1 * value2;
+        case '/':
+            if (value2 == 0) {
+                throw std::invalid_argument("Error: Division by zero!");
+            }
+            return value1 / value2;
+        default:
+            throw std::invalid_argument("Error: Unknown operation!");
+        }
+    }
+
+    Calculator& calculate(const int& value, const char& operation) {
+        currentValue = calculate(currentValue, value, operation);
+        return *this;
+    }
+
+   
+    int GetCurrentValue() const {
+        return currentValue;
+    }
+
+    
+    Calculator& Reset(int newValue = 0) {
+        currentValue = newValue;
+        return *this;
+    }
+};
+int main() {
+    
+    int staticResult = Calculator::calculate(10, 10, '+');
+    std::cout << "Static result: " << staticResult << std::endl; 
+
+    
+    Calculator my_calc;
+
+    
+    int chainResult = my_calc.calculate(2, '+')
+        .calculate(4, '+')
+        .calculate(5, '-')
+        .calculate(10, '*')
+        .GetCurrentValue();
+
+    std::cout << "Chain result: " << chainResult << std::endl; 
+
+    return 0;
+}
\ No newline at end of file