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I bought this calculator from my college when I started to do my a levels, I needed a calculator that could cope with advanced maths and this was the one my college recommended. This calculator also served me throughout my university years (4 years) so I can definitely say that I have experience with this calculator and can give an honest opinion on it.
It looks really quite good, i understand that calculators aren't exactly the height of fashion, but I think it's nice to have one that looks good. This one looks really modern with a grey snap on case and sleek grey plastic casing on the actual calculator. It doesn't look at all brick like and '70's' . It is very slim and light and the case slides on extremely easily without sticking at all.
The buttons are colour coded which makes this calculator even easier to use!! Cancel/delete are red whilst all the options/menu/control buttons are in blue. The numbers and basic functions (Add, subtract etc) are in dark black whilst more advanced functions (Trig, log, square root etc) are smaller and in a dark shade of blue. This makes it really easy to quickly find the button you are looking for if you are in a hurry and I have found it really helpful in my exams. The buttons are also all clearly labelled including the shift/alpha alternatives.
This calculator has the perfect balance between being simple and easy to use, and having advanced maths features. It does come with an instruction manual but I have found, and my maths teacher always used to say that the best way to learn to use your calculator is to repeatedly use it and then you will understand how to use it to it's full potential.
It has a really handy function which i hadn't seen on a calculator before I got this one, it's called the replay function. It allows you to work back through a calculation if something goes wrong so you can see where you made a mistake. It stores 10 of your previous commands without you having to save them yourself, and comes equipped with 7 memory slots which should be more than enough for most students (it was for me). The calculator automatically expresses the answer in either fraction or square root form which means the accuracy is always of the highest order. Some people don't like this however and, if you don't, then you can change it at the click of a button, it's that simple!
I should also mention that these labels don't fade, I have had this calculator for 6 and a half years and I have been using it very often as i did maths and further maths a level and a maths degree and i have not had any problems with the labels fading.
I think this calculator is brilliant, if you wish, you can get a solar powered version of this calculator for the planet conscious amongst us. This calculator is perfect and can deal with pretty much everything that I need it to, it is simple, easy to use and lasts for ages. It is appropriate for high school students of university students, as it is very acuurate but not too daunting for younger users who see a huge number with many decimal places on the screen and immediately think - 'aaaaah'!! I would really recommend this calculator to anyone.
So I recently bought an iPhone 4S when my old phone got stolen so I decided to splash out and get a nice new smartphone! I bought it from eBay brand new for £260 so I'm just going to get started with the review
It's a rectangle shaped phone with rounded corners and a flat back which is the same shape as the iPhone 4 and personally, I prefer the shape of this phone to the shape of the 3GS, I think it looks nicer and is nicer to hold in my hand. It has a silver trim around the edge and a white/black back with glass over it and an apple logo, then some information like 'Designed by Apple California'. On the left side of the phone there is the volume controls and then the mute switch and on the right side there is the sim card section which is unique to the iPhone as it has it's own compartment compared to other phones where you take the back off to insert the sim card.The front of the phone is mainly taken up by the screen which is 2"x3" but underneath that there is the round home button and above it there is a camera and microphone. The design of the handset looks very slick and expensive and you can clearly see that a lot of time has been spent on the design of the phone. I have a case on the back and screen protectors on both sides, the screen and back can get scratched quite easily so don't put it in the same pocket as your keys or just throw it in your bag!
The iphone operates the iOS system which is the same system that operates all the iPhones, Ipods and iPads. The system is honestly, the best system I have ever used on a phone, it is so smooth and easy to use. Immediately when you switch on the phone you know what to do, there are no complicated set up instructions, you just switch it on, plug it in to itunes and set up your language and wifi.
When calling on an iPhone, I have no problems with quality which I have heard has been a problem in the past with previous iPhone models. I have never lost a call which I am very pleased with.
The music player that comes with it is impeccable. When you plug it into itunes you can sync all your songs or certain songs on to your iphone, you can create playlists of your favourite songs or songs for when you do certain things like when you workout. You can sort your songs by artist, song name, composer, genre or album. It comes with the generic, white apple earbuds but personally, I prefer to use my own headphones because I find them better quality and more comfortable.
The big new launch that was with the iPhone 4S was Siri, the voice activated helper. Personally, I think it's quite fun to play around with once in a while but the novelty does quickly wear off. You can talk to it for a while if your bored but ultimately, the apple system is so easy to use that it's quicker to just do it yourself. To access siri you just press down the home button and it pops up and bleeps to let you know its recording.
The maps on apple are always rubbish, and personally i don't like them and don't use them. It was the same when they released the iPhone 5, they just get the maps wrong with roads, villages and even towns in the wrong place or just not there!
The app store is brilliant, there are so many amazing apps on there and it is the best application service in the world of smartphones. Any app is downloadable at the click of a button and there literally is an app for everything!!
I use the camera on the iPhone a lot as I love to take pictures and I find that the camera is very good quality, occasionally photos have come out blurry as you have to have quite a steady hand but for me that isn't a problem. I also like that there is a front camera as well as that means I can take photos of myself or me with friends and be able to see what it's like rather than taking 12 photos and having 1 half decent one!!
One negative about the iPhone is the battery life, it doesn't last very long at all. There are things you can do to improve it like turning the brightness of your screen down and turning off 3G but I still find that my battery life runs out rather quickly.
I was testing an iPhone 5 in the apple store and personally, I noticed no real difference apart from the weight and extra half an inch in screen size. If you have a 4S I don't see the point in upgrading really as all the features of iOS 6 are available on the 4S.
In conclusion, I believe it is the best smartphone on the market. It is simple easy to use and although it is very expensive, it does look amazing and it works brilliantly too. You can do pretty much everything you need to do in say to say life on an iPhone 4S!!