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The nominal interest rate is the stated interest rate on loans and financial products. This article explains how it works, how it differs from the real rate, and why it matters.

Numerical Aperture (NA) defines how much light an optical system can collect. This article explains the formula, examples, and its impact on resolution and optical performance.

What is Nudge Theory? Nudge Theory is a behavioral economics concept that proposes subtle changes in the way choices are…

An NP-hard problem is one that is at least as difficult as the hardest problems in NP. This article explains definitions, examples, and methods for dealing with NP-hard tasks.

Notional value represents the reference value of the underlying asset in a derivative contract. This article explains how it works, why it matters, and how it's used.

Notional value represents the reference value of the underlying asset in a derivative contract. This article explains how it works, why it matters, and how it's used.