I want to return an item back to the store, but realised that they didn't give me a receipt, what do I do?

In the UK at least 20% of customers purchasing small items simply don't pick up their receipt but leave it on the counter

If the calculator is one packed using Rymans own brand they would almost certainly exchange it but if it is a manufacturers brand such as Casio, Texas Instruments etc they may not as you could have bought it any where. Depends very much on the individual store manager. One thing you definitely will not get though is a refund, no receoipt no refund.

Ryman will almost certainly let you exchange it for other goods to the same value. Without a receipt, you won't get cash.

LOL you bought a calculator that did not fit your NEEDS? Calculators just calculate, if you wanted a scientific one or something special why did you not make sure it had those features before you paid for it? They don't cost much only £1 to £8 at the max! So we are not talking big money here. OK here's what you do, you put on your saddest face and go back to Ryman's to request that they take the calculator back because you did not get a receipt from the till. They will check it over to try and see if it was from their shop or not - if its a general make like CASIO which are sold by loads of retailers they might refuse you. If it's a make that they recognise they might take it back. It all depends on the manager on the day you take it back, if he/she is in a good mood, you will get your money back, if not the you are stuck with it. Next time make sure you get a receipt for everything you buy and treat it as a learning curve.

I don't know to much about the uk but in the US. Most stores can look up your purchase by your credit card/ debit card number. If you used that method of payment

if you know when you bought it then it should be in their systems if you paid by card, then your statement will show the amount and the date and that is proof of purchase Remember they are not obliged to give a refund,as it's not broken but they 'may' offer an exchange or a credit note

Tell them that.

If you have damaged the packaging (in order to examine) I dont think it will matter whether or not you have a receipt, its not likely they will take it back You bought it - it works - the fact that it dont do what you want it to do is your problem not theirs. You should have checked that it did before you bought it. If its got damaged packaging what do you expect them to do with it? Sell it as second hand? (It couln't be resold as new)