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With 417 functions, this scientific calculator covers most scientific functions that students from middle school through college will need.
| 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) |
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Ideal for high school and college students requiring advanced functions for math and science courses.
Useful for standardized tests where scientific calculations are essential, offering a reliable dual power source.
Excellent tool for tutors helping students understand complex calculations with its extensive function options.
Not suitable for individuals needing basic calculations, as it may be overly complex and feature-rich.
WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary School College
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. **
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