1  a) Binary <===> Denary numbers conversion test (10 questions, 1 question at a time)
b) Binary <===> Denary numbers conversion test (10 questions, all questions are displayed) 
2  a) Binary <===> Hexadecimal number conversion test (10 questions, 1 question at a time)
b) Binary <===> Hexadecimal number conversion test (10 questions, all questions are displayed) 
3  a) Octal <===> Binary number conversion test (10 questions, 1 question at a time)
b) Octal <===> Binary number conversion test (10 questions, all questions are displayed) 
4  a) Octal <===> Denary number conversion test (10 questions, 1 question at a time)
b) Octal <===> Denary number conversion test (10 questions, all questions are displayed) 
5  a) Octal <===> Hexadecimal number conversion test (10 questions, 1 question at a time)
b) Octal <===> Hexadecimal number conversion test (10 questions, all questions are displayed) 
6  a) Denary <===> Hexadecimal number conversion test (10 questions, 1 question at a time)
b) Denary <===> Hexadecimal number conversion test (10 questions, all questions are displayed) 
7  a) Binary <===> Denary, Hexadecimal numbers conversion test (6 questions, 1 question at a time)
b) Binary <===> Denary, Hexadecimal numbers conversion test (20 questions, all questions are displayed)
c) Binary <===> Denary <===> Hexadecimal numbers conversion test (18 questions, all questions are displayed) 
8  a) Binary <===> Octal, Denary, Hexadecimal numbers conversion test (12 questions, 1 question at a time)
b) Binary <===> Octal, Denary, Hexadecimal numbers conversion test (18 questions, all questions are displayed) 
9  Binary arithmetics (9 questions, all questions are displayed)

10  Octal arithmetics (9 questions, all questions are displayed)

11  Hexadecimal arithmetics (9 questions, all questions are displayed)

12  Binary, Octal, Hexadecimal arithmetics (9 questions, all questions are displayed)

13  Real Numbers conversion
