An algebraic equation contains one or more letters in it. Each letter in the equation is called a variable. A variable can change in value. We guess at different values for each letter until our ...

Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...

Late projects. Architectures that drift from their original design. Code that mysteriously evolves into something nobody ...

A new Swinburne study is addressing a core paradox: if quantum computing is solving problems that cannot be checked by conventional methods, how can we be certain the results are correct? Quantum ...

Palantir CEO Alex Karp is known for his outspokenness. But it's the simplest of questions that might be behind the company's ...

Abstract: This article presents a novel integrated sensing, identification, and backscatter communication system that incorporates techniques based on the inverse scattering. The proposed system ...

Abstract: Dear Editor, This letter presents an improved repetitive controller (IRC) that uses a complex-coefficient filter to enhance the tracking performance of a system for periodic signals.

freeCodeCamp.org is a friendly community where you can learn to code for free. It is run by a donor-supported 501(c)(3) charity to help millions of busy adults transition into tech. Our community has ...