In some real-world settings, taxicab geometry is more convenient, and more relevant, than Euclidean geometry. Engineers use ...

Select a brush with a round tip, then click the image once to draw a red dot. Create a shape ... to display the tool's options. Select the Circle radio button. Position the mouse pointer over ...

If you’re looking for a way to dwindle ten minutes - or maybe even ten hours - from your life, then try drawing the perfect freehand circle on a touchscreen device and let this wonderful little ...

In fact, it is the first major milestone in image-making and for that reason, a child's circle drawing may be one of ... time [more about this and Jung's Red Book in a future post].