Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Your computer’s built-in calculator app is acting like an old ...

Many high school students need to use a graphing calculator for math and science classes and for parts of the SAT and ACT—sure, a laptop would work, but they’re not allowed because teachers and ...

As any self-respecting geek knows, calculators have long sported all sorts of spiffy hidden tricks. From the .7734 “HELLO” hack that delighted us all in grade school to the more advanced graphic ...