This beginner-friendly tutorial shows how to create clear, interactive graphs in GlowScript VPython. You’ll learn the basics of setting up plots, graphing data in real time, and customizing axes and ...

Learn how to implement the Adadelta optimization algorithm from scratch in Python. This tutorial explains the math behind ...

Normal sudoku rules apply, except the numbers in the cells contained within dotted lines add up to the figures in the corner. No number can be repeated within each shape formed by dotted lines. To see ...

Every weekday morning we release brand new Sudoku puzzles with easy, medium and hard versions. Enjoy solving today's puzzles and remember to come back for a new challenge! Check out our ...

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9. To see the completed puzzle, buy the next issue of the Guardian (for puzzles published Monday to Thursday).