OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar Calculators (OS 991ES Plus 2nd Edition)









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Style: OS 991ES PLUS Ⅱ
Features
- 417 Functions Scientific CalculatorWith 417 functions for fractions, exponents, matrix calculations, statistics, integral, algebra, complex number calculations, standard deviation, solving for variables, permutations and combinations, and linear regression, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
- Written Display Scientific CalculatorInput expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results.
- Brightness Adjustment FunctionThe screen brightness can be adjusted by simple operation to get the best display effect, dimming to relieve eye fatigue, brightening to get clearer display results, to improve the calculation efficiency.
- Dual Power Source Electronic CalculatorSolar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
- Ultra-light & PortableWeight: 5.1oz. (145g); Size: 164 x 80 x 17(mm)/6.4 x 3.15 x 0.6 7(inch); Material: ABS plastic. With slide-on hard case, convenient to carry it outside and hold it on one hand.
Brand: OSALO
Color: Black
Calculator Type: Engineering/Scientific
Power Source: Solar Powered
Screen Size: 2.36 Inches
Product Dimensions: 6.4 x 3.15 x 0.1 inches
Item Weight: 5.3 ounces
Item model number: 991es Plus Ⅱ
Batteries: 1 LR44 batteries required. (included)
Date First Available: September 21, 2023
Manufacturer: OSALO
Frequently asked questions
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