Math 42: Berlin-based Math 42 has raised seed funding of 500,000 EUR (about $442K) from Michael and David Klett. The Math 42 app, which is available for download in the App Store, helps students break down a problem into step-by-step components. Their mobile app also includes additional features such as an innovate calculator and integrated textbook. According to its website, Math 42 is currently used by 1.5 million students.
