[OS-991MS II]
[OS 991ES PLUS Ⅱ]
[OS-82MS II]
[OS 82MS Pro]
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. Its perfect for middle school to college students studying general maths, integral calculation, statistics, algebra, geometry and physics. Solar & Battery power supply.
Written display expression, convenient for students to check the calculation process and results.
Solar and battery, double safe uninterruptible power, and energy-saving advantages.
Keys in the different areas have different shapes, are very sensitive. The letters printed on keys are pretty clear.
It has 417 functions and covers most of the needs of scientific functions that students may need in math, physics, chemistry, etc.
417 Function New Version | Calculator 401 Function | 240 Function New Version | Calculator 417 Function | Calculator 240 Function | |
Customer Reviews
|
4.4 out of 5 stars
589
|
4.4 out of 5 stars
589
|
4.4 out of 5 stars
589
|
4.4 out of 5 stars
589
|
4.4 out of 5 stars
589
|
Price
| $21.99$21.99 | $17.99$17.99 | $15.99$15.99 | — | $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) |