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OA-991EX Scientific Calculator 552 Functions 2-Line Written Display | Support Fraction and Decimal Point Conversion Solar Battery, Ideal for Middle High School Students and Teachers

Product ID: 653538830

Details

Brand
DUPOTA
Calculator Type
Color
black
Power Source
Solar Powered
Screen Size
2.5 inches

⚡Quad-core processor for lightning-fast calculations

🔢552 versatile scientific functions

☀️Dual solar & battery power for nonstop use

278 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

Secure transaction

Description

⚡ Elevate your calculations—because precision waits for no one!

ULTRA LIGHT ERGONOMIC DESIGN - Carry it anywhere with confidence—anti-slip keys and a durable sliding cover built for intense study sessions.
BLAZING FAST QUAD CORE PROCESSOR - Solve high-order equations and matrix operations in a flash.
CRYSTAL CLEAR 2 LINE NATURAL DISPLAY - See formulas and results simultaneously with adjustable contrast for eye comfort.
MASTER COMPLEX CALCULATIONS WITH 552 FUNCTIONS - From algebra to integration, handle any equation like a pro.
DUAL POWER SYSTEM FOR UNINTERRUPTED PERFORMANCE - Solar plus battery ensures your calculator never quits mid-exam.

The OA-991EX Scientific Calculator combines 552 advanced functions with a high-resolution 2-line natural display and a quad-core processor for rapid, precise calculations. Its dual solar and battery power system guarantees long-lasting use, while the lightweight, durable design with anti-slip keys makes it perfect for students and teachers tackling complex math and science challenges.

Specifications

ASIN	B0D9Q6RK43
Best Sellers Rank	#345,605 in Office Products ( See Top 100 in Office Products ) #239 in Scientific Calculators
Brand	DUPOTA
Calculator Type	Engineering/Scientific
Color	black
Customer Reviews	4.2 4.2 out of 5 stars (40)
Display Type	LCD
Enclosure Material	Plastic
Item Dimensions L x W	6.5"L x 3.15"W
Item Weight	125 g
Manufacturer	DUPOTA
Mfr Part Number	OA-991EX PLUS-XY
Model Name	OA-991EX PLUS
Model Number	OA-991EX PLUS
Number of Batteries	1 LR44 batteries required. (included)
Number of Items	1
Power Source	Solar Powered
Screen Size	2.5 inches
UPC	726434206879

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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278 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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