I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

👋 Welcome to 5 Things PM! You’ve probably heard the mantra “Attitude is everything.” That appears to be especially true when it comes to aging well. The Supreme Court endorsed a religious counselor’s ...

Abstract: This paper presents a programmable frequency scan algorithm based on harmonic balance. The core idea involves treating systems under perturbation as nonlinear time-periodic (NTP) systems.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

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Abstract: Frequency scanning (F-SCAN) synthetic aperture radar (SAR) is an advanced imaging mode that offers enhanced system performance. However, the conventional fast algorithm for generating SAR ...