Enhance Big-O notation with detailed math explanations and text visuals

[ihelloeveryone]

Description

Type of Contribution

• New article/topic
• Content improvement (existing article)
• Error correction/bug fix
• Visual/diagram addition
• Documentation update
• Template modification
• Other (please specify):

Topic Details

• Category:
• Pillar:
• Difficulty:
• Article Title:

Checklist

Content Quality

• Content is technically accurate and well-researched
• Writing is clear and appropriate for target audience
• Examples and explanations are correct
• Mathematical notation renders correctly (if applicable)
• Citations provided for non-original content

Template Compliance

• Followed appropriate template (article / category)
• YAML frontmatter is complete and accurate
• All required sections are included
• Structure matches template guidelines

Style & Formatting

• Follows style guide
• File naming convention followed (lowercase, hyphens)
• Markdown formatting is correct
• Code blocks use proper syntax highlighting
• Mathematical notation uses \( \) and \[ \] (not $ or $$)

Links & Media

• All internal links work correctly
• External links are valid and relevant
• Images hosted on moncsdocs-media CDN
• Image alt text is descriptive and accessible
• Diagrams use proper CDN URLs

Git Hygiene

• Commit messages are descriptive (use: Add/Fix/Improve/Update)
• Branch name is descriptive
• No merge conflicts with main branch
• Only relevant files are included

Related Issues

Closes #
Relates to #

Screenshots/Preview

Additional Context

Testing

• Previewed rendered Markdown locally
• Verified all links work
• Tested code examples (if applicable)
• Checked mathematical notation rendering

License Confirmation

• I am the original author of this content OR have permission to contribute it
• I agree to license this contribution under CC BY-SA 4.0
• This content does not infringe on any third-party intellectual property
• I understand I will be credited in the article metadata

---

For Maintainers:

• Technical accuracy verified
• Pedagogical quality approved
• Style and formatting approved
• Ready to merge