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OSALO

OSALO Scientific Calculator 401 Function 10+2 Digits Display Solar Battery Calculators Fraction Statistics Integral for Middle and High School College Students (OS 991MS 2nd Edition)

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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, May 19
Order within 18 hours and 41 minutes
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Style: OS-991MS II


Features

  • 401 Functions Scientific CalculatorWith 401 functions for fractions, matrix calculations, statistics, calculus, complex number calculations, equation calculation, standard deviation, vector calculation, permutations and combinations, 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.
  • 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.
  • 2-Line Scientific CalculatorInput expressions and arithmetic operations 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.
  • Dual Power Source Electronic CalculatorSolar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
  • Ultra-light & PortableWeight: 4.97oz. (141g); 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: 7.4 ounces


Item model number: OS-991MS Ⅱ


Batteries: 1 LR44 batteries required. (included)


Date First Available: September 21, 2023


Manufacturer: OSALO


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Was perfect for my precalcus class
Style: OS 991ES PLUS Ⅱ
Passed my classes with this
Reviewed in the United States on March 13, 2024 by Lil_richy
    • Easy to handle
Style: OS 991ES PLUS Ⅱ
Very light and easy to work
Reviewed in the United States on March 10, 2024 by miguel
    • Excelente
Style: OS 991ES PLUS Ⅱ
Mi hija va en la preparatoria, y le funciona muy bien para calculo y geometría.
Reviewed in the United States on March 19, 2024 by saide
    • Very hard toreador the display panel
Very hard to read display
Reviewed in the United States on September 10, 2023 by Mike
    • Just what we need
Style: OS 82MS Pro
This worked wonderful for my son's school. It does everything it is reliable. And the buttons were easy to push and the display was very good and able to read.
Reviewed in the United States on September 1, 2023 by Amanda C.
    • As good as a Casio
Style: OS-991MS II
Loved it
Reviewed in the United States on February 4, 2024 by Amazon Customer
    • Great Calculator, Bad Manufacturer
Have to click each button like a mad man for it to response. It is not smooth and obviously a bad copy. Extremely disappointed considering this is higher priced than others in market.
Reviewed in the United States on October 15, 2023 by Waste of money, doesn't work, all the papers are just smudged up
    • Excellent choice
Good Quality for the price . Nice screen and protective cover.
Reviewed in the United States on August 23, 2023 by J.A.

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