Lab1.m

function main()

Problem1()
Problem2()
Problem3()
end

function Problem1()

number = 0;
while number ~= 3
    printMenu()
    % Select Temp conversion from Menu
    number = input('Please select one of the above: ');
    if(number == 1)
        t = input('Please enter a Fahrenheit temperature: ');
        FtoK(t);
        sprintf('%.2f Fahrenheit degrees is %.2f Kelvin degrees.', F, K)
    end
    if(number == 2)
        t = input('Please enter a Kelvin temperature: ');
        KtoF(t);
        sprintf('%.2f Kelvin degrees is %.2f Fahrenheit degrees.', K, F)
    end
end
end

function printMenu()
    
disp('1. Fahrenheit to Kelvin')
disp('2. Kelvin to Fahrenheit')
disp('3. Quit') 
end

function F = KtoF(K)

F = (9/5)*(K-273)+32;

end

function K = FtoK(F)

K = (5/9)*(F-32) + 273;

end

function Problem2()
%fileName = input('Please enter the name of your file: ');
fid = fopen('1.txt', 'w');
b = input('Please Enter the number of iterations: ')
fprintf(fid, 'Kelvin\tFahrenheit\n')
% Creates a txt file with Kelvin and Fahrenheit
for i = 1:b
    K = 273 + (373 - 273)*rand(1);
    F = KtoF(K);
    fprintf(fid, '%.2f\t%.2f\n', K, F);
end
fclose(fid)
end

function Problem3()

maximum = 0;
minimum = 213;
totalF = 0;
numFiles = 0;

fid = fopen('1.txt', 'r');
tline = fgetl(fid);
while ischar(tline)
    tokens = regexp(tline, '\t', 'split');
    for i = 1:length(tokens)
        ivalues = str2double(tokens{[2]});
        numFiles = numFiles + 1;
        % Finds Mean
        totalF = totalF + ivalues;
        
        % Finds Maximum
        if (ivalues > maximum)
            maximum = ivalues;
        end
        % Finds Minimum
        if (ivalues < minimum)
            minimum = ivalues;
        end
        
    end % End For loop
    tline = fgetl(fid); 
end % End While loop
mean = totalF/numFiles;
sprintf('Mean: %.2f', mean)
sprintf('Minimum: %.2f', minimum)
sprintf('Maximum: %.2f', maximum)
end