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# program 4 - /Item/Pasting this table in/your writeup/Your...

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//Item Points Actual // Possible Points P //Pasting this table in 1 //your writeup / //Your name 1 //Description 1 //Function Comments 7 //(parameters, pre/post //conditions, descriptions) / //Variable comments 2 //Use of functions 4 //Roman to English 10 1 //English to Roman 10 1 //Handles Multiple 1 //Expressions / //3 test cases 3 /******************************************************************************/ / //Tom Nanke //CIS 150-001 //11-20-07 //Program 4 //This is a roman number calculator program. It can add, subtract, or multiply //roman numbers. The user inputs a roman number, followed by the operator that //he/she wants to use, followed by another roman number. The program then reads //that expression, converting the roman numbers into integer numbers, does the //math of the operation, and then converts the answer back into a roman number, //which is what is output onto the screen. / #include <iostream> # using namespace std; u int romanToDecimal(int &number); //Function prototype void decimalToRoman(); //Function prototype / char roman[8]={'I','V','X','L','C','D','M','0'}; //array of possible characters the user can enter that will be needed / int main() { int number; //Initialization of the the variable number, which is the //integer number that the romanToDecimal function will return. int index=0; //Initialization of the variable index, which will represent //the location of the character in the roman array. cout<<"Enter a roman expression. Enter the number 0 at any point"<<endl;

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cout<<" to exit the program: "; cin>>roman; c romanToDecimal(number); //Function call cout<<"The answer is: "; decimalToRoman(); //Function call cout<<endl; c while(roman[index]!='0') //Loop that executes until the user enters 0. { cout<<"Enter a roman expression: "; cin>>roman; c romanToDecimal(number); //Function call cout<<"The answer is: "; decimalToRoman(); //Function call cout<<endl; } return 0; r } /******************************************************************************/ / int romanToDecimal(int &number)
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