Programming Reference/Librarys
Question & Answer
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#include <iostream> /* including standard library */ #include <cmath> /* including math library */ using namespace std; int main ( void ) { double x; x = 9.0; //cout.setf(ios::fixed, ios::floatfield); cout.precision(8); cout << "the exponential value of " << x << " is " << exp(x) << endl; return 0; }
output: the exponential value of 9.0 is 8103.0839