Function with global value : Variable Scope « Function « C++

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C++ » Function » Variable Scope Screenshots  Function with global value    #include <iostream> #include <cmath> using namespace std; double balance; /**     Accumulates interest in the global variable balance    @param p the interest rate in percent    @param n the number of periods the investment is held */ void future_value(double p, int n) {      balance = balance * pow(1 + p / 100, n);  } int main() {      balance = 10000;    future_value(5, 10);    cout << "After ten years, the balance is "       << balance << "\n";    return 0; }            Related examples in the same category 1. Variables: Global, Local variable 2. Variable Scope Example 3. The Scope Resolution Operator 4. Effect of scope on automatic variables 5. global variables