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OA-991EX Scientific Calculator 552 Functions 2-Line Written Display

Product ID: 653538830

Details

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

⚡Quad-core processor for speed

📊Multi-line high-res display

🔢552 functions for every calculation

€ 23.48

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered 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 GERMANY.

Secure transaction

Description

🔍 Calculate smarter, faster, and with style — don’t get left behind!

SEE EVERY STEP CLEARLY - High-resolution multi-line display shows formulas and results simultaneously for intuitive understanding.
WORK AT LIGHTNING SPEED - Quad-core processor accelerates matrix and high-order equation calculations, saving you valuable time.
BUILT TO ENDURE PERFORM - Dual solar and button battery system with auto shut-off and durable sliding cover ensures reliability in any setting.
MASTER COMPLEX CALCULATIONS - 552 versatile functions from algebra to integration empower your problem-solving prowess.
LIGHTWEIGHT PORTABILITY MEETS PRECISION - At just 125g with anti-slip keys and fraction-decimal toggle, it’s your perfect on-the-go calculation companion.

The OA-991EX Scientific Calculator by DUPOTA offers 552 advanced functions including spreadsheet, matrix, and statistical calculations. Featuring a high-resolution 2-line display for natural formula visualization and a quad-core processor for rapid computation, it combines durability with portability through a dual solar and battery power system and a lightweight design. Ideal for students and professionals tackling complex equations with ease and efficiency.

Specifications

ASIN	B0D9Q6RK43
Best Sellers Rank	#132,657 in Office Products ( See Top 100 in Office Products ) #119 in Scientific Calculators
Brand	DUPOTA
Calculator Type	Engineering/Scientific
Color	black
Customer Reviews	4.2 out of 5 stars 42 Reviews
Display Type	LCD
Enclosure Material	Plastic
Item Dimensions L x W	6.5"L x 3.15"W
Item Highlight	Support Fraction and Decimal Point Conversion Solar Battery, Ideal for Middle High School Students and Teachers
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.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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€ 23.48

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered 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 GERMANY.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews