Action #3 flips HH to TT in one move. Yes, doing a pair of actions gives the same result whichever one is done first. There ...

Anticipation builds for Apple's iPhone 17 series, possibly featuring Pro models with a redesigned camera bar and repositioned logo. Leaks suggest an aluminum chassis, A19 Pro chip, and advanced ...

The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA - BelfrySCAD/BOSL2 ...

The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA - BelfrySCAD/BOSL2 ...

Notice and Wonder When students become active doers of mathematics, the greatest gains of their mathematical thinking can be realized. NCTM members can engage with PreK-12 resources to support the ...

A new method termed as three-dimensional root-mean-square (3D-RMS) method, is proposed to calculate the fractal dimension (FD) of machined surfaces. The measure of this method is the root-mean-square ...