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 gradient descent really works by building it step by step in Python. No libraries, no shortcuts—just pure math and code made simple.

Can you crack Killer Sudoku's mathematical twist? The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In Killer Sudoku, the digits in each inner ...

Solve the grid in this expert Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the ...

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).

Sudoku fans, it’s time to really crunch some numbers. Give your mind the ultimate test on the most difficult numbers puzzle each day — and challenge yourself to make the impossible possible. Jump in ...