Electronic Equipments & Tools

OS-991 Plus Scientific Calculator Dual Power Calculadora Cientifica with Languages Specification As Office & School Gift

HomeCalculatorsOS-991 Plus ..

99.5 star rating
99.5 of 100

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Model Number
Brand Name
Power Source
Applicable Battery Type
Dual Power Supply
Max. Digits

24 Jul 2017
Nice quality materials and good finishing. works properly and the user interface is very friendly. it is better that one than other more expensive brands. Made with good quality materials and good acamento. works perfectly and the interface with the user is very friendly. it is better than other more expensive brands.

- R****o S.
19 Jul 2017

- V******r M.
13 Jul 2017

- J****h T.
07 Jul 2017

- A**x S.
30 Jun 2017
Such Which the description. instructions in spanish. fast shipping. weighs very poco

- A*a P.
05 Jul 2017

- E*****l J.
05 Jul 2017
Thank you

- A******n M.
30 Jun 2017
Article the same as advertised

- J****n G.
30 Jun 2017
Article the same as advertised

- J****n G.
02 Jul 2017

- A**** S
30 Jun 2017
Thank you

- O***r B.
26 Jun 2017

- D*****u C.
07 Jun 2017
All received in the integrity and security. calculator lived up to expectations, has a nice look and a lot of functions, which has yet to get a hold of fully.

- I**r B.
18 Jun 2017
Very good, like is described. Suggest the seller

- Anonymous Shopper
31 May 2017
Delivery 58 days. works fine no Russian language instruction. this is the second order from this seller first calculator never got to me, won the dispute, but the money is not returned (three months have passed, the refund is not complete)

- M****l K.
21 Jun 2017

- C**e L.
16 Jun 2017

- S****y V.
04 Jun 2017
I've had HP calculator before, so I'll have to get used to this notation. Menus have many options to choose from.

- L***e K.
14 Jun 2017

- Anonymous
03 Jun 2017
Great calculator! Came in the package, everything works. Special thanks to the seller for the gift!

- E***a T.




NOTE:we have different Languages Specification, Please note which languages you need, Or We will distribution according to the official language of the country .





Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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