Needed to buy one for my son's secondary school and the price in Tesco is £8, WH Smith £8.99, Amazon around £6 Got it from poundland for a £1

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heat added

Also, like all electronic devices, all models have odd glitches, bugs and odd ways of working. If this is a less common device, teachers may place little emphasis on drawing their pupils' attention to them and describing ways to work around them.

Casio or TI always used to be safe bets when I was a lad. Sharp too, probably. Casio fx-83GT plus for £7.99 from Argos is "allowed in every UK exam where a calculator can be used." according to casio.co.uk/pro…UH/.

If that's the only problem, than it's not a problem realy, as long as it work properly

From a slightly selfish perspective, it also helps me a lot if as many as the kids as possible are using the same machine as it makes it a lot easier to demonstrate how to use them effectively.

get this tesco.com/dir…prd

It can be a bit more awkward to use. Finding the sin of an angle is done by typing the angle first and then pressing sin, casio calculators let you input them they way you would write it.

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just had that problem with my DD. I suggested the £2 Asda one, but nooooo it had to be the £6 casio one.

In our school we buy in calculators to sell to the kids for £3.75 and they are the modern Casio calculators around £7 in the shops. I would ask your child to ask in school if they can order one in.

The main problems with these calculators I find is that the buttons are not used in the same way as the Casio, eg if you want to work out sin 50 then on these calculators you type 50 sin, which isnt good form. Also for square root of 70, you type 70 square root - this confuses kids.

Not all are created equal and most teachers/schools have their own preferred model which will have specific features and methods of input.

also support.google.com/web…-GB

no extra sweatshop factory conditions required.

Edited by:"sotomonkey" 16th Sep 2013Edited by:"intenso100" 16th Sep 2013it probably is. once you start doing real maths you don't use a calculator at all

It's also on 3 for 2 if you can find a couple of parents (or if you have more than 1 child), so £3.33 each calc. for something sooooo much superior. As discussed it allows you to enter in a format that you enter things as you see them, fraction calculations, cursor editable.... I could go on.

Sure for a quid the poundland one seems good value, but don't skimp on giving your kids the right tools for the right job.

Please don't hamper your son with this PoS when at school remember he has to compete with fancy modern calculators that are recommended to be used by the exam board! I still use my secondary school calculator and it cost me £15 in like 2000.

Edited by:"buttmonkey" 16th Sep 2013Casio calculators are very intuitive, the teacher will know how to use it and if your child is going on to study maths or science at a higher level then the advanced features will be extremely useful.

They're also built to last. My Dad's Casio from over 30 years ago is still going strong.

tl;dr: If you can work out how to use it, this will be ok for GCSE Maths. Otherwise, get a Casio.

I love how many of us teachers have rushed to comment on this, not necessarily to advise others on calculator purchases, mostly to vent about how these calculators ruin our lessons.

Once upon a time there was a girl and she was 13. She had size 84 mammaries but she wanted 45. So she went to the doctor and the doctor said "O". Take these tablets 2 times a day, but she took X 4 a day... and ended up.....

Edited by:"TheHoss" 16th Sep 2013lol I bought loads of those casio 83s and 85s for 25p and 50p from Tesco last year - got over 100 83s and over 50 85s from various stores - sold some and gave some to my kids school

Edited by:"royals" 17th Sep 2013