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POCode for a HP-35 calculator basic functions
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  1. POCode for a HP-35 calculator basic functions
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    copied!<p>Hi I am having some trouble implementing basic functions for a calculator of type HP-35 I am a beginner and I am having a lot of trouble with putting code together, the basic functions are the Addition, Subtraction, Multiplication and Division that I need help with.</p> <p>Below is my main file:</p> <pre><code>/* * File: main.cpp * Author: Brenton * * Created on 20 September 2013, 12:10 AM */ #include &lt;cstdlib&gt; #include "HPStack.h" #include &lt;iostream&gt; #include &lt;sstream&gt; using namespace std; /* * */ int main(int argc, char** argv) { HPStack stack; string line; while (getline(cin, line)) { stringstream expression(line); string token; while (expression &gt;&gt; token) { if (isdigit(token[0])) { stack.push(atof(token.data())); //From here I am having trouble, I don't know what the code is. } else if (token == "+") { // Addition code } else if (token == "-") { // Subtraction code } else if (token == "/") { // Division code } else if (token == "*") { // Multiplication code double x = stack.pop(); double y = stack.pop(); stack.push(y + x); } } cout &lt;&lt; stack.peek(); } return 0; } </code></pre> <p>Below is the code so far for the stack that I've created:</p> <pre><code>/* * File: HPStack.cpp * Author: Brenton * * Created on 20 September 2013, 12:07 AM */ #include "HPStack.h" HPStack::HPStack() { } HPStack::HPStack(const HPStack&amp; orig) { } HPStack::~HPStack() { } </code></pre> <p>Below is my code for the header file:</p> <pre><code>/* * File: HPStack.h * Author: Brenton * * Created on 20 September 2013, 12:10 AM */ #ifndef HPSTACK_H #define HPSTACK_H class HPStack { public: HPStack(); void push(double); double pop(); private: double stack; double x, y, z, t; }; #endif /* HPSTACK_H */ </code></pre> <p>I know that this seems like a dumb question to be asking, but I really haven't got a clue what I'm really doing with the mathematics code, but I'm trying. Any help would be greatly appreciated</p>
 

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