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Nº de artículo:
144838260
WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary
Nº de artículo:
144838260
GTQ 129
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Haz tu pedido ahora y recíbelo por ahí Miércoles, Agosto 26
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With 417 functions, this scientific calculator covers most scientific functions that students from middle school through college will need.
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What Stands Out
Two-Line Display
The 2-line display allows students to view calculations and results simultaneously, enhancing understanding and reducing errors during problem-solving.
Comprehensive Functions
With 417 functions, this calculator addresses diverse academic needs, making it ideal for high school and college students tackling various subjects, from algebra to calculus.
Dual Power Source
Powered by both solar and battery options, it ensures reliable performance in various lighting conditions, perfect for students who need consistent, on-the-go functionality.
Detalles de producto
| Calculator Type | Standard Function |
| Power Source | Solar Powered |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Display Type | LCD |
| Colour | Black |
| Enclosure Material | Plastic |
| Brand Name | WECKEW |
| Model Name | WK-991ES PLUS II |
| UPC | 192242983675 |
| Manufacturer | WECKEW |
| Manufacturer Part Number | SB-991P |
| Model Number | 991PLUS-2 |
| Country of Origin | China |
| Brand | WECKEW |
| Material | Plastic |
| Item Weight | 0.5 lbs (230 grams) |
Mercancías peligrosas
Para evitar demoras en el proceso de despacho aduanero de mercancías peligrosas, el envío se abrirá en nuestras instalaciones de depósito para verificar la gravedad de los componentes peligrosos. Please see the list of Dangerous goods here.
Who Should Buy?
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Students
Ideal for high school and college students requiring advanced functions for math and science courses.
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Exams
Useful for standardized tests where scientific calculations are essential, offering a reliable dual power source.
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Math Tutors
Excellent tool for tutors helping students understand complex calculations with its extensive function options.
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Casual Users
Not suitable for individuals needing basic calculations, as it may be overly complex and feature-rich.
DESCRIPCIÓN DEL PRODUCTO
WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary School College
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Preguntas y respuestas de los clientes
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Pregunta:
Is this calculator suitable for college-level courses?
Respuesta: Yes, it covers most functions required for both middle school and college courses. -
Pregunta:
How does the dual power system work?
Respuesta: It uses both solar power and battery for reliability and energy saving. -
Pregunta:
Does it come with a warranty or guarantee?
Respuesta: Yes, it undergoes rigorous quality tests for durability and reliability.
WECKEW Scientific 991PLUS-2 Editorial Review
The WECKEW Scientific Calculator, model 991ES Plus II, is receiving positive feedback for its suitability as a school tool, primarily due to its lightweight design and standard size. With a robust array of features that cater to the academic needs of secondary school and college students, this calculator is lauded for its excellent functionality and overall value for money. Users appreciate its well-Constructed build, highlighting that while it may appear complicated due to numerous functions, many find it straightforward once they familiarize themselves with its operation. The calculator boasts an auto power-off feature, which users find handy for Conserving battery life, especially since it incorporates both solar and battery functions. Though the display size is smaller than that of some competitors, such as Casio models, it effectively meets the essential requirements for calculations. Users mention the added usability of arrow keys for scrolling through data, enhancing overall functionality. Despite a learning curve associated with its button layout and functionalities, many find that the investment is worthwhile as they adapt. Overall, the WECKEW 991ES Plus II is recognized as a solid choice for educational purposes, combining portability, reliability, and a competitive price point while delivering all the features necessary for a scientific calculator. **
Customer Reviews & Ratings
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ventajas
- Lightweight and standard size, easy to carry
- Excellent functionality for school use
- Good build quality and Construction
- Auto power-off feature
- Competitively priced
- Includes a hard case
Contras
- Smaller display compared to some models
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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GTQ 129
Haz tu pedido ahora y recíbelo por ahí Miércoles, Agosto 26
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características y beneficios
- Offers 417 functions including fractions, exponents, statistics, and matrix calculations.
- Displays equations in a Classroom-standard format for easy understanding.
- Step-by-step tracking enhances problem-solving skills for students.
- Features dual power (solar and battery) for uninterrupted use.
- Built with high durability and includes a slide-on hard case for protection.
- Ideal for essential school supplies including SAT and GCSE preparation.
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