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At a glance
- Condition
- New
- Style
- OS 991ES PLUS Ⅱ
- Model
- 991es Plus Ⅱ
- Screen size
- 2.36 in
- Weight
- 0.15 kg
- Color
- Black
- Calculator Type
- Engineering/Scientific
Features 5
- Efficient Calculations Our calculator now reduces keystrokes by 50% through intelligent optimization, including shortcut keys, editable expressions, matrix operations support table-based input and viewing, etc., greatly enhancing efficiency. Additionally, weve improved the user manual to make it more concise and user-friendly, allowing you to get started quickly
- 417 Essential FunctionsPacked with 417 key functions, this calculator covers everything from Equation Solving and Trigonometry to Integration, Differentiation, Matrix Operations, Complex Number Calculations, Variable Statistics, Linear Algebra, and Function Analysis, making it a versatile tool for all mathematical needs
- Textbook-Like Written DisplayFeaturing a written display format that mimics textbook expressions, this calculator makes reading and input easier than traditional models. It seamlessly converts between fractions and decimals, ensuring precision and ease in handling exact values
- Smart History and Quick RecallWith the smart history feature of the scientific calculator, you can quickly retrieve and effortlessly reuse or edit previous formulas, whether you are working with complex equations or common calculations. Say goodbye to repeated input and enjoy a more streamlined and efficient experience
- Perfect for High School and College StudentsDesigned for all academic levels, this calculator is perfect for high school students in courses like Algebra II, Pre-Calculus, and Calculus, while college students will find it essential for advanced subjects such as Linear Algebra and Differential Equations. It meets the needs of both groups, from foundational to advanced topics
Description
"Effortlessly Crunch Numbers with Precision: Introducing the Ultimate OSALO Calculator!" OSALO is a brand that is all about functionality and design. It was founded by a team of engineers who wanted to create high-quality calculators that are both stylish and easy to use. Whether you are a student, a professional, or just need a calculator for everyday use, OSALO has the perfect product for your needs. OSALO calculator brand is focused on innovation, quality, and reliability. Our brand philosophy is inspired by the idea of "Simplicity in Complexity." OSALO embraces innovation as a core value in our products. We are constantly developing new technologies and features that provide improved functionality and convenience to users. Some of these innovations include touchscreen displays, ergonomic designs, and advanced mathematical functions. Shortcut Keys/One-Touch Function: Instantly access common mathematical constants like π, sin, cos, e and more. Editable Expressions: When editing a complex formula, you can move the cursor to directly edit specific parts, minimizing the need for re-entering entire sections. History Recall: Avoid repeating complex multi-step calculations by recalling recent formulas. Matrix Operations: Support table-like input and viewing; automatically recognize and populate rows and columns when inputting matrices. Our scientific calculator utilizes textbook-like written display technology to enhance the readability of mathematical symbols and ease of operation. Fractions are displayed in a vertical format, and square roots and higher-order radicals are shown in their natural mathematical form on the screen. This approach is user-friendly and aids in learning and understanding mathematics. Additionally, it supports matrix input and viewing in a clear tabular format. Applicable Tests: SAT, ACT, PSAT/NMSQT, IB, Praxis, High School and College Daily Tests. How do I change the setting from fractions to decimal answers? You can change the result with the ‘S⇔D’ key; or you can configure the calculator settings: 1. Press the ‘SHIFT’ key. 2. Press the ‘MODE’ key. 3. Select 1 or 2 to set the mode for fractions or decimals. MthIO for fraction and LineIO for decimal. How to adjust display contrast？ 1. Press the ‘SHIFT’ key 2. Press the ‘MODE’ key 3. Press the ‘ ↓ ’ key 4. Press the 6: < CONT > 5. Press ‘ ← ’ and ‘ → ’ key to adjust contract How to replace the battery？(Removing the battery will cause all of the calculator's memory contents to be deleted) 1. Press ‘SHIFT’ ‘AC’ (OFF) to turn off the calculator 2. Unscrew the screw on the top right corner of the backside 3. Replace the battery, taking care that its plus (+) and minus (-) ends are facing correctly 4. Initialize the calculator Desktop Calculators Calculator 401 Function 240 Function New Version Desktop Calculator Tax Calculator
Specs 17
| Brand | OSALO |
|---|---|
| Color | Black |
| Calculator Type | Engineering/Scientific |
| Power Source | Battery & Solar |
| Screen Size | 2.36 inches |
| Model Name | OS 991ES Plus 2nd Edition |
| UPC | 730637240448 |
| Manufacturer | OSALO |
| Number of Items | 1 |
| Item Weight | 0.15 kg |
| Model Number | 991es Plus Ⅱ |
| Mfr Part Number | OSALO CO.,LTD. |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 6.4"L x 3.15"W |
| Item Highlight | Math Scientific Calculator, 2-Line Written Display, Solar & Battery Power for GCSE, Secondary High School College |
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