David Okonkwo
David Okonkwo holds a PhD in Computer Science and has been reviewing tech products and research tools for over 8 years. He's the person his entire department calls when their software breaks, and he's surprisingly okay with that.
Publishing in Research & Academic Tools
How We Create Our Content
Every article published by David Okonkwo follows a structured editorial process designed to deliver accurate, practical answers. Topics are identified through search trend analysis, reader questions, and gaps in existing online coverage.
Each article is cross-referenced against authoritative sources including government agencies, academic institutions, and established industry publications. External citations are included throughout the article so readers can verify claims independently.
Articles are edited and fact-checked by the TechFactsHub editorial team for accuracy, clarity, and completeness before publication. Pieces are periodically updated to reflect new information, corrected data, or evolving best practices.
Is Beta A Parameter?
Beta often gets lumped in with other meanings, but in statistics it’s one of the most flexible parameters around. Here, it wears two hats: as a shape parameter in the beta distribution and as a risk...
How Do I Apply To Cal State For Free?
If you qualify for need-based aid, CSU application fees can be waived on Cal State Apply. Enter your fee waiver code during checkout to submit up to 23 campuses without paying $70 each. What’s the d...
In Which Case Is No Work Done?
Ever feel like you’re working hard, but nothing’s moving? That’s physics telling you no mechanical work is being done. When you press a key but the cursor stays put, spin a bike wheel in the air, or...
How Do I Write An Application Letter For A Bank Internship?
What’s Happening Banks drown in generic internship applications. Yours needs to pop right away—specific, relevant, and scannable in seconds. A tight structure proves you get the bank’s culture, have f...
How Do I Write An Application Letter For A Contract?
An effective contract application letter is your first step toward securing a clear, professional agreement. It introduces your skills, acknowledges key terms, and sets expectations before any work b...
How Do I Pay For College If I Have No Money?
Hit a financial wall and need to cover college costs fast? You’ve got more options than you might realize—just don’t expect miracles. Here’s a no-BS, step-by-step plan that starts with free cash and...
How Do You Buy An Index?
You can’t buy an index directly—it’s not a security you can own. Instead, you buy shares of an index fund or an exchange-traded fund (ETF) that tracks that index. These funds bundle the same stocks i...
Is Business Entity A Concept?
Quick Fix Summary: Choose the right business entity early. Start with sole proprietorship for simplicity or LLC for liability protection. Register with your state and obtain an EIN from the IRS if re...
How Do Welds Fail?
Welds can fail for several reasons—bad design, sloppy technique, or using the wrong materials. Here are the most common causes and how to fix them in 2026. Quick Fix Summary: Check if the weld size...
How Do I Pay My CUNY Tuition?
Quick Fix Summary Log in to your CUNYfirst Student Center, head to Finances → Make a Payment, and pay with an e-check or credit card. What's Happening CUNY handles tuition payments through its CUNYf...