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  <title>Dimitris Arvanitakis — Portfolio</title>
  <meta name="description" content="Portfolio of Dimitris Arvanitakis — CS student at NKUA. Projects in algorithms, systems and web." />

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    <h1 class="logo">dacoden</h1>
    <nav class="navbar" aria-label="Primary">
      <ul>
        <li><a href="#about">About Me</a></li>
        <li><a href="#projects">Projects</a></li>
        <li><a href="#education">Education</a></li>
        <li><a href="#links">Links</a></li>
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      <section id="about">
        <h2>About Me</h2>
        <p>My name is Dimitris Arvanitakis. I am a Computer Science student at the National &amp; Kapodistrian University of Athens.</p>
      </section>

      <section id="projects">
        <h2>My Projects</h2>
        <ul>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/gcd" target="_blank" rel="noopener">Greatest Common Divisor</a>:
            Calculates the GCD using the Euclidean algorithm.
          </li>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/rsa" target="_blank" rel="noopener">Rivest–Shamir–Adleman (RSA)</a>:
            Encrypts and decrypts messages using RSA.
          </li>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/factor" target="_blank" rel="noopener">Factor</a>:
            Finds the two prime factors of a semiprime number.
          </li>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/future" target="_blank" rel="noopener">Future</a>:
            Predicts the next number in a sequence using SMA.
          </li>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/jabbamaps" target="_blank" rel="noopener">Jabbamaps</a>:
            Calculates the fastest course through towns from a file.
          </li>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/jason" target="_blank" rel="noopener">Jason</a>:
            Handles JSON files and simulates an AI chatbot conversation.
          </li>
          <li>
            <a href="https://github.com/dacoden/dacoden.github.io/tree/main/projects/adt" target="_blank" rel="noopener">ADT</a>:
            Multiple Abstract Data Types completed by multiple methods.
          </li>
        </ul>
      </section>

      <section id="education">
        <h2>Education</h2>

        <div class="school-entry">
          <b><a href="https://www.di.uoa.gr/" target="_blank" rel="noopener">Department of Informatics and Telecommunications (09/24 – present)</a></b>
          <p>
            The Department at the National &amp; Kapodistrian University of Athens is a leading academic and research unit in computer science,
            telecommunications, and IT. It offers a curriculum covering AI, software engineering, cybersecurity, and networks, and is involved in international research collaborations.
          </p>
          <p>Courses:</p>
          <ul>
            <li><a href="https://www.di.uoa.gr/studies/undergraduate/courses/k06" target="_blank" rel="noopener">Analysis II</a></li>
            <li><a href="https://www.di.uoa.gr/studies/undergraduate/courses/k10" target="_blank" rel="noopener">Object-Oriented Programming</a></li>
            <li><a href="https://www.di.uoa.gr/studies/undergraduate/courses/k13" target="_blank" rel="noopener">Probabilities and Statistics</a></li>
            <li><a href="https://www.di.uoa.gr/studies/undergraduate/courses/k11" target="_blank" rel="noopener">Signals and Systems</a></li>
          </ul>
        </div>

        <div class="school-entry">
          <b><a href="http://8lyk-amarous.att.sch.gr/" target="_blank" rel="noopener">8th General Lyceum of Amarousion (09/21 – 06/24)</a></b>
          <p>
            The 8th Lyceum of Amarousion is a public upper secondary school in Marousi, Athens. It offers general education tracks preparing students for the Panhellenic exams,
            and emphasizes critical thinking, cultural participation, and social development.
          </p>
        </div>

        <div class="school-entry">
          <b><a href="http://7gym-amarous.att.sch.gr/" target="_blank" rel="noopener">7th Gymnasium of Amarousion (09/18 – 06/21)</a></b>
          <p>
            The 7th Gymnasium of Amarousion provides lower secondary education with a well-rounded curriculum including sciences, humanities, and extracurriculars to promote holistic growth.
          </p>
        </div>

        <div class="school-entry">
          <b><a href="https://blogs.sch.gr/11dicha/" target="_blank" rel="noopener">11th Primary School of Chalandri (09/12 – 06/18)</a></b>
          <p>
            A public elementary school offering a foundational academic curriculum with a focus on creativity, responsibility, and student well-being in Chalandri, Athens.
          </p>
        </div>
      </section>

      <section id="links" class="links" aria-label="Links">
        <a href="https://github.com/dacoden" target="_blank" rel="noopener" aria-label="GitHub profile">
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        </a>
        <a href="https://www.linkedin.com/in/dimitris-arvanitakis-160664365" target="_blank" rel="noopener" aria-label="LinkedIn profile">
          <img src="images/InBug-Black.png" alt="LinkedIn" class="icon-img" loading="lazy" width="35" height="35" />
        </a>
        <a href="mailto:dhmarvan@gmail.com" class="email-button" aria-label="Send me an email">
          <i class="fas fa-envelope" aria-hidden="true"></i> Contact Me
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