Twenty-seven years after introducing the world's first graphing calculator, Casio has developed its most sophisticated educational Game Boy ever. Indeed, the new Casio fx-CP400's 320x528 resolution screen isn't just colour — it's a freaking touchscreen that flips from vertical to horizontal. That's a far cry from the drab 94x64 display on the the Casio fx-7000G from 1985.
You Won't Believe How Much Graphing Calculators Have Changed
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Last week, Tesla announced Australian pre-orders for its solar roof, with installations starting in 2018. The idea is fantastic -- replace your house roof with solar tiles that look good, generate power and are even more durable than existing options. But in the real world, is it worth the price? We crunch the numbers to find out.
You use your phone a lot. It runs out of battery. You cry. Solve that.