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+//Code by Jordan Harris-Toovy for OIT's CST116 course. October 2021
+
+#include <iostream>
+#include <iomanip>
+using namespace std;
+
+//7.2 - Learn by doing exercises #1
+
+/*
+int main()
+{
+    float money = 0.0F;
+    bool has_checkings = 0;
+    bool has_savings = 0;
+
+    cout << "Please enter the amout of money you have (in USD): \n";
+    cin >> money;
+
+    cout << "Do you have a checkings account (enter 0 for no, 1 for yes): \n";
+    cin >> has_checkings;
+
+    cout << "Do you have a savings account (enter 0 for no, 1 for yes): \n";
+    cin >> has_savings;
+
+    cout << "\n\n";
+    cout << "Your account type is: ";
+
+    if (money >= 25000)
+        cout << "Platnum" << endl;
+    else if (money >= 10000)
+    {
+        if (has_checkings == 1 && has_savings == 1)
+            cout << "Gold" << endl;
+        else if ((has_checkings == 1 && has_savings == 0) || (has_checkings == 0 && has_savings == 1))
+            cout << "Silver" << endl;
+        else
+        {
+            cout << "Error" << endl;
+            return 1;
+        }
+    }
+    else
+        cout << "Copper" << endl;
+
+    return 0;
+}
+*/
+
+//7.4 - Learn by doing exercises #1
+
+/*
+int main()
+{
+    cout << "Student Grade Program\n" << "     -Main Menu-" << "\n\n";
+    cout << "1. Enter name\n";
+    cout << "2. Enter test scores\n";
+    cout << "3. Display test scores\n";
+    cout << "9. Exit\n\n";
+    cout << "Please enter your choice from the list above: ";
+
+    int user_input = 0;
+    cin >> user_input;
+
+    cout << "\n";
+
+    switch (user_input)
+    {
+    case 1:
+        cout << "This is where you would enter a name if this was more then a menu!\n";
+        break;
+    case 2:
+        cout << "This is where you would enter a test score if this was more then a menu!\n";
+        break;
+    case 3:
+        cout << "This is where you would see test scores if this was more then a menu!\n";
+        break;
+    case 9:
+        cout << "Goodbye\n";
+        break;
+    default:
+        cout << "Invalid input. Exiting\n";
+        return 1;
+    }
+
+    return 0;
+}
+*/
+
+//7.10 - Programing exercises #2
+
+//Pesudocode:
+/*
+DISPLAY promt for interest rate
+GET interest rate from user
+
+DISPLAY promt for loan amount
+GET loan amount from user
+
+IF interest rate is out of range
+DISPLAY error message
+
+IF loan amount is out of range
+DISPLAY error message
+
+IF loan amount is greater than the threshold
+MOVE high fee into varible charge
+OTHERWISE
+MOVE low fee into varible charge
+
+Calculate the interest of the loan amount and add it to varible charge
+
+DISPLAY charge
+*/
+
+/*
+int main()
+{
+    float interest_rate = -1.00F;
+    float principal = -1.00F;
+    float fee = 0.00F;
+    float payment = -1.00F;
+
+    cout << "Enter the interest rate (in percent) of the loan: ";
+    cin >> interest_rate;
+
+    cout << "\nEnter the principal (in USD) of the loan: ";
+    cin >> principal;
+    cout << endl;
+
+    if (interest_rate > 18)
+    {
+        cout << "Interest rate is too high\n";
+        return (1);
+    }
+    else if (interest_rate < 1)
+    {
+        cout << "Interest rate is too low\n";
+        return (2);
+    }
+
+    if (principal > 1000.00F)
+    {
+        cout << "Principal is too large\n";
+        return (3);
+    }
+    else if (principal < 100.00F)
+    {
+        cout << "Principal is too small\n";
+        return (4);
+    }
+
+    if (principal > 500.00F)
+        fee = 25.00F;
+    else
+        fee = 20.00F;
+
+    payment = principal * (interest_rate / 100);
+    payment += fee;
+
+    cout << "\n\nThe payment due for this billing cycle is ";
+    cout.setf(ios::fixed);
+    cout.setf(ios::showpoint);
+    cout.precision(2);
+    cout << payment << " USD\n";
+
+    return (0);
+}
+*/
+
+//8.2 - Learn by doing exercises #1
+
+int main()
+{
+    int max_value = -1;
+
+    cout << "Enter an interger between 1 and 50: ";
+    cin >> max_value;
+    
+    //Filter invalid input
+    if ((max_value < 1) || (max_value > 50))
+    {
+        cout << "\n Invalid input";
+        return (1);
+    }
+
+    cout << "The even numbers between " << max_value << " and 0 are: " << endl;
+
+    //Check if even, remove 1 if not
+    if ((max_value % 2) != 0)
+    {
+        max_value--;
+    }
+
+    while (max_value >= 0)
+    {
+        cout << max_value << endl;
+        max_value -= 2;
+    }
+
+    return (0);
+}
+
+//8.4 - Learn by doing exercises #1
+
+//Pseudocode:
+/*
+* DISPLAY loop-length prompt
+* GET num_asign
+* 
+* FOR num_asign: 
+*   DISPLAY score prompt
+*   GET num_asign, ADD to scores
+* 
+* DIVIDE scores by num_asign
+* DISPLAY scores
+*/
+
+/*
+int main()
+{
+    unsigned int num_asign = 0;
+    float score = 0.0F, temp_score = 0.0F;
+
+    cout << "Enter the number of asignments: ";
+    cin >> num_asign;
+    cout << "\nEnter each score as a percent.\n\n";
+
+    for (int idx = 0; idx < num_asign; idx++)
+    {
+        cout << "Enter score " << idx + 1 << " : ";
+        cin >> temp_score;
+        score += temp_score;
+        cout << endl;
+    }
+
+    score = score / num_asign;
+
+    cout << "The average score is: " << score << endl;
+
+    return (0);
+}
+*/
+
+//8.4 - Learn by doing exercises #2 (NOT IN PROBLEM SET)
+
+/*
+int main()
+{
+    int tri_height = 0;
+    cout << "Enter size of triangle: ";
+    cin >> tri_height;
+    cout << endl;
+
+    if (tri_height > 0)
+    {
+        tri_height--;
+    }
+    else
+    {
+        cout << "Invalid size";
+        return (1);
+    }
+
+    for (tri_height; tri_height >= 0; tri_height--)
+    {
+        for (int tri_width = tri_height; tri_width >= 0; tri_width--)
+            cout << "* ";
+        cout << endl;
+    }
+    return (0);
+}
+*/
+
+//8.10 - Programing exercises #3
+
+//Pseudocode:
+/*
+* DISPLAY user prompt for maximum sequence value
+* GET max_value
+* 
+* IF max_value < 1, end
+* ELSE IF max_value = 1, DISPLAY 1, 1
+* ELSE:
+* 
+* DISPLAY 1, 1, 2
+* working_v1 = 1
+* working_v2 = 2
+* working_v3 = 2
+* 
+* WHILE working_v3 < max_value:
+* 
+* working_v3 = working_v1 + working_v2
+* working_v1 = working_v2
+* working_v2 = working_v3
+* 
+* DISPLAY working_v3
+*/
+
+/*
+int main()
+{
+    unsigned long long max_val = 0, working_v1 = 1, working_v2 = 1, working_v3 = 2;
+
+    cout << "Enter maximum positive integer for the Fibonacci sequence: ";
+    cin >> max_val;
+    cout << endl;
+
+    if (max_val == 0)
+        cout << "Not in sequence" << endl;
+    else
+    {
+        cout << "1\n1" << endl;
+        while (working_v3 < max_val)
+        {
+            cout << working_v3 << endl;
+            working_v3 = working_v1 + working_v2;
+            working_v1 = working_v2;
+            working_v2 = working_v3;
+        }
+        cout << endl;
+    }
+    
+    return (0);
+}
+*/
+