Encyclopaedia Britannica iPad/iPhone app lets you have an answer for everything for £1.99 a month - photo 1Encyclopaedia Britannica iPad/iPhone app lets you have an answer for everything for £1.99 a month - photo 2Encyclopaedia Britannica iPad/iPhone app lets you have an answer for everything for £1.99 a month - photo 3Encyclopaedia Britannica iPad/iPhone app lets you have an answer for everything for £1.99 a month - photo 4Encyclopaedia Britannica iPad/iPhone app lets you have an answer for everything for £1.99 a month - photo 5