Verdict overview
- worth the money 8.9
- Simple to use 9.1
- Simple to grasp 9.1
- clearly written 8.9
Pros
Compact and fits in backpacks easily.
Offers 240 scientific functions.
Includes a protective hardcover.
Cons
Button layout confusing.
Tech specs
batteries | 1 LR44 batteries required. included |
item weight | 4.2 ounces |
customer reviews | 4.4 4.4 out of 5 stars 2,020 ratings 4.4 out of 5 stars |
package dimensions | 6.3 x 3.35 x 0.77 inches |

Product Overview
I recently had the opportunity to try out the Mr. Pen Scientific Calculator. I was very impressed with its features and performance. After using it for a few days, I am here to review this product and give my opinion about it.
The Mr. Pen Scientific Calculator is designed to provide users with a professional grade scientific calculator that has 240 scientific functions. It has a 10 two digit wide screen HD display that shows both the entry and calculated results at the same time, making it very easy to read and understand. The hardcover of this calculator prevents scratches and dings, providing an extra layer of protection against damage. Additionally, it meets ergonomic design standards for comfort while using it, which I found to be especially helpful when doing complex calculations or equations.
This calculator is ideal for students and professionals who need to perform calculations quickly and accurately, such as engineers, mathematicians, scientists, medical professionals, etc. It is also great for those who are looking for an affordable yet accurate calculator that can be used in various professional settings.
As for the features of this calculator, they are very impressive. The 10 two digit wide screen HD display is easy to read and understand at a glance. It also has quick access buttons that allow users to quickly access specific functions without having to scroll through menus or type in commands. Additionally, all of the functions on this calculator are clearly labeled so users know exactly what they are doing when performing calculations or equations.

In terms of value for money, the Mr. Pen Scientific Calculator provides excellent value for its price tag. It is an affordable calculator that offers a lot of features and performance without breaking your bank account. Additionally, its ergonomic design makes it comfortable to use even during long hours of calculation work or equations solving sessions.
Finally, I found this calculator to be extremely reliable and accurate when performing complex tasks such as calculus or trigonometry calculations. Its accuracy was spot on every time I used it which was definitely reassuring knowing that my calculations were being performed correctly each time without any errors or mistakes being made along the way.
Overall, I am pleased with my experience using the Mr Pen Scientific Calculator and would highly recommend it to anyone looking for an affordable yet reliable scientific calculator with lots of features and performance packed into one device all at a reasonable price tag!
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- What type of calculator is this?
- Does this calculator have a large display?
- Does it show both entry and calculated result at the same time?
- Does this calculator come with a protective cover?
- What type of battery does this calculator require?
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