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Equation Solver Complex Numbers Matrices Statistics Periodic Signals Sounds

Physics Chemistry Circuits NMR/EPR Probe Tuning Spectroscopy

ML Data Science Imaging

Trade Skill Oscilloscope Training

Inventory Simulator Investing Stock Markets

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Welcome to STEMVertex. Start in Math Lab for calculus explorations, experiment with Chemistry lab simulations, or visualize data in Statistics.

Explore Science
Visually

Built for students, professors and engineers.
Real tools. Real science.

20+ Interactive Tools Real-time Visualization 💬 Scientific Forum 💼 Career & Jobs

Tap the violet Controls button to open signal tools.

Explore periodic signals, waveforms, filters & Fast fourier transform

Adjust parameters and watch the signal update in real time.

Signal

Freq. Noise Points Signal Phase Freqs. Amps. Tau

Filters

Operations on Overlaid signals

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🎓 Career 🔍 Scope

RC Circuit Step Response

Resistance R (Ohms):

Capacitance C (Farads):

Input Voltage V_in (V):

Duration (seconds):

Points:

About the Creator

Willie Ngendahayo

Scientist • Educator • Digital Content Creator

Education & Experience

🎓

Bachelors of Science in Chemistry

Oklahoma Christian University

🔬

Masters of Science in Analytical Chemistry

New Mexico State University

🏛️

PhD: Doctoral Research in Electron Paramagnetic Resonance and Nuclear Magnetism

University of Denver

⚗️

Assistant Director, NMR Lab — 3 years

Nuclear Magnetic Resonance Laboratory · Boston College

What I Do Now

Create digital STEM content & interactive tools
Teach and tutor in my free time
Build AI-powered educational applications

Need consulting, tutoring, or training?
Reach out — I’d love to help.

🔗 LinkedIn & Publications 📄 Thesis

📞 Contact Us

Email: thacien20@gmail.com

Phone: +250 792 836 581

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Interested in learning more about my AI tools, digital STEM content, or educational solutions? Fill out this form and I'll get back to you within 24 hours.

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Explore ScienceVisually

RC Circuit Step Response

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Explore Science
Visually