When we do mathematical calculations, the order in which we add, subtract, multiply and divide makes a real difference ...
The New York Times' Strands puzzle 936 featured a maths-based theme centred on perfect squares, including FOUR, NINE, TWENTY FIVE, THIRTY SIX and EIGHTY ONE.
Can you beat the puzzle master? (Plus: find answers to Saturday’s puzzle.) ...
Can you beat the puzzle master?