The Etch A Sketch was never supposed to meet a Raspberry Pi, a camera, or a mathematical algorithm, but here we are. [Tekavou]’s Teka-Cam and TekaSketch are a two-part hack that transforms real photos ...

The rare coin pays homage to aviators from the First World War AN ULTRA-rare war sketch on a £2 coin has caused its value to skyrocket to 25 times its original value ...

Absolute value is a mathematical concept often used in conjunction with a number line or graph to represent the relative value from zero (modulus). To illustrate this idea in a different way, the ...

The latest trends in software development from the Computer Weekly Application Developer Network. This is a guest post for the Computer Weekly Developer Network written by Henrik Plate in his capacity ...

Understanding the concept of absolute values is vital for tackling algebraic equations and evaluating various mathematical expressions. The absolute value of a number is the distance from zero on the ...

With Dynagraphs applet, students will compare f(x)=x, f(x)=|x|, f(x)=-x among other functions. The double number line allows them to see the relationship between inputs and outputs in a visual way ...