Ivan Perre

Need to measure the internal angle between two walls? Then throw away your protractor, because all you need is Interior Angle and your iPhone! The gre …

Want to know the price of a ticket from zone 1 to zone 3? How about zone 5 to zone 8? Not a problem! Tube Fares knows the fares from any zone in Londo …

NEMA Ratings is a handy tool to lookup the meaning of any NEMA Rating, in accordance with NEMA 250-2003. It even gives the equivalent IP rating. Great …

IP Ratings is a handy tool to lookup the meaning of any IP Rating, in accordance with European Standard EN 60592. Great for when you're in the office, …

Going somewhere in London, but not sure how to get there? Which Tube will show you the closest station, so you can be on your way. No mess, no fuss!No …

With iGradient you can use your iPhone, iPad or iPod Touch to find any 2D angle. No need to tell the iPhone what angle you want, iGradient knows which …