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

Price: $23.99
(as of Feb 12, 2024 22:12:48 UTC – Details)

Product Description

Multiple Applications

Osalo OS-991es Plus 2nd Edition Scientific Calculator features a sleek design and slide-out hard case with a written display and screen brightness (manual) adjustment functions. There are 417 functions: including basic and advanced science, exponential and trigonometric, fractions, regression analysis, table function and more. It’s perfect for middle school to college students studying general maths, integral calculation, statistics, algebra, geometry and physics. Solar & Battery power supply.

Easy Read Written Display

Written display expression, convenient for students to check the calculation process and results.

Dual Power Supply

Solar and battery, double safe uninterruptible power, and energy-saving advantages.

Premium Sensitive Keys

Keys in the different areas have different shapes, are very sensitive. The letters printed on keys are pretty clear.

With ABS Slide Case

It has 417 functions and covers most of the needs of scientific functions that students may need in math, physics, chemistry, etc.

Model

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Customer Reviews

4.4 out of 5 stars
564

4.4 out of 5 stars
564

4.4 out of 5 stars
564

4.4 out of 5 stars
564

4.4 out of 5 stars
564

Price

$23.99$23.99

$18.99$18.99

$15.99$15.99

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$13.99$13.99

Model Type

OS-991es Plus Ⅱ

OS-991MS Ⅱ

OS-82ms Ⅱ

OS-991es Plus

OS-82ms

Function

417

401

240

417

240

Solar & Battery

Solar & Battery

Solar & Battery

Solar & Battery

Solar & Battery

Solar & Battery

Battery Type

L1154F

L1154F

L1154F

LR44

LR44

Color

Black

Black

Black

Silver

Black

Dimensions

6.46 x 3.15 x 0.67 inches

6.46 x 3.15 x 0.67 inches

6.46 x 3.15 x 0.67 inches

7.5 x 3.2 x 1.5 inches

7.24 x 3.43 x 1.54 inches

Weight

5.1 ounces(145 g)

5 ounces(141 g)

4.9 ounces(139 g)

6.3 ounces(180 g)

5.3 ounces(150 g)

【417 Functions Scientific Calculator】With 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 Calculator】Input 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 Function】The 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 Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
【Ultra-light & Portable】Weight: 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.