Author Archives: Dimitrios Kalemis

About Dimitrios Kalemis

I am a systems engineer specializing in Microsoft products and technologies. I am also an author. Please visit my blog to see the blog posts I have written, the books I have written and the applications I have created. I definitely recommend my blog posts under the category "Management", all my books and all my applications. I believe that you will find them interesting and useful. I am in the process of writing more blog posts and books, so please visit my blog from time to time to see what I come up with next. I am also active on other sites; links to those you can find in the "About me" page of my blog.

Implementing a Galton board in software

Posted on March 31, 2024 by Dimitrios Kalemis

In this blog post, I am going to simulate a Galton board in an Excel macro. What is a Galton board? Please go to the site Galton Board to find out. Also check out Wikipedia and search the Internet to … Continue reading →

Posted in Education | Comments Off on Implementing a Galton board in software

Painting the faces of the 27 small cubes of a 3X3X3 big cube so that the 3X3X3 big cube appears with one of three possible external colors

Posted on February 19, 2024 by Dimitrios Kalemis

I saw the following video on YouTube: Can you solve the alien probe riddle? – Dan Finkel It is about painting the sides of the 27 small cubes of a 3X3X3 big cube so that the 3X3X3 big cube appears … Continue reading →

Posted in Education | Comments Off on Painting the faces of the 27 small cubes of a 3X3X3 big cube so that the 3X3X3 big cube appears with one of three possible external colors

Google doodle pizzas solutions

Posted on December 7, 2021 by Dimitrios Kalemis

Today (2021-12-06) Google published a doodle that has to do with cutting pizzas. In this blog post, I will provide the questions and their answers. Each of my answers depicts the last cut that is about to be done. I … Continue reading →

Posted in Science | Comments Off on Google doodle pizzas solutions

My attempt at Question 10 from the Haselbauer-Dickheiser Test

Posted on March 13, 2021 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 10 from this test. The question is about an analogy. Below I present the original question for your convenience: Please do not read the rest of … Continue reading →

Posted in Education | Comments Off on My attempt at Question 10 from the Haselbauer-Dickheiser Test

My attempt at Question 9 from the Haselbauer-Dickheiser Test

Posted on March 6, 2021 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 9 from this test. The question is about deciphering a given ciphertext (referred to as “cryptogram”). Below I present the original question for your convenience: Please … Continue reading →

Posted in Education | Comments Off on My attempt at Question 9 from the Haselbauer-Dickheiser Test

My attempt at Question 25 from the Haselbauer-Dickheiser Test

Posted on February 23, 2021 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 25 from this test. The question is about population dynamics in Biology. Below I present the original question for your convenience: Please do not read the … Continue reading →

Posted in Education | Comments Off on My attempt at Question 25 from the Haselbauer-Dickheiser Test

My attempt at Question 6 from the Haselbauer-Dickheiser Test

Posted on January 14, 2019 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 6 from this test. The question is about physicists’ names as strings. Particularly, each alphabet letter is assigned a number and we have to find … Continue reading →

Posted in Education | Comments Off on My attempt at Question 6 from the Haselbauer-Dickheiser Test

My attempt at Question 15 from the Haselbauer-Dickheiser Test

Posted on December 26, 2018 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 15 from this test. The question is about packing spheres in a rectangular box. Below I present the original question for your convenience: Please do … Continue reading →

Posted in Education | Comments Off on My attempt at Question 15 from the Haselbauer-Dickheiser Test

My attempt at Question 4 from the Haselbauer-Dickheiser Test

Posted on December 17, 2018 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 4 from this test. The question is about spheres stacked up to create tetrahedral pyramids. Below I present the original question for your convenience: Please … Continue reading →

Posted in Education | Comments Off on My attempt at Question 4 from the Haselbauer-Dickheiser Test

My attempt at Question 8 from the Haselbauer-Dickheiser Test

Posted on December 9, 2018 by Dimitrios Kalemis

The Haselbauer-Dickheiser Test can be found at http://matrix67.com/iqtest/. In this blog post, I will study Question 8 from this test. The question is about discovering a pattern among line segments. There are many crossings among these line segments and each crossing … Continue reading →

Posted in Education | Comments Off on My attempt at Question 8 from the Haselbauer-Dickheiser Test