The fx85 is the no1 best selling dual powered scientific calculator in the uk gfk data it is the one to have this new version takes it on a stage further it can be used in school college amp university and is approved to be used in any exam where a calculator is allowed this includes ks3 standard grade gcse higher amp advanced higher as amp a levels it comes with a hard case so it will survive most most of the knocks it may get fx 83gtplus has all the features and benefits o