Who needs the next-generation graphics of Returnal, or the complex narrative of Nier Replicant, when you've got... Calculator! A $10 app now on the Nintendo Switch eShop, it's a "scientific calculator ...

Are you confident in your maths skills? If so, try to solve this brain teaser in five seconds or less without using a calculator. Maths brain teasers often leave people scratching their heads. And the ...