Customer reviews from Staples
Staples - 12-Digit Battery & Solar Basic Calculator, (TR290/ST290-CC) - Black
Average customer rating
4.2
(90 Reviews)
Rating breakdown 90 reviews
5 Stars
60
4 Stars
12
3 Stars
4
2 Stars
2
1 Star
12
40%of customers recommend this product.
(
2 out of
5)
Customer Reviews for Staples - 12-Digit Battery & Solar Basic Calculator, (TR290/ST290-CC) - Black
Posted by: Duane
Verified Purchase:Yes
worst calculator I ever purchased
No, I would not recommend this to a friend.
Written by a customer while visiting Staples
Posted by: Dennis
Verified Purchase:Yes
Same problem with the same previous one - keys stick or u need to almost pound em
i'll be returning it
No, I would not recommend this to a friend.
Response from StaplesBy Staples Customer Service Expert, July 29, 2026
Thank you for taking the time to share your review. We’re sorry to hear about your experience with the product and would appreciate the opportunity to assist you. Please feel free to contact our team at productsupport@trured.com or call us at (800)270-9145, Monday through Friday, 9:00 AM – 8:00 PM ET. We look forward to connecting with you and working toward a resolution.
Written by a customer while visiting Staples
Customer Rating
1
Does not calculate properly
on May 1, 2026
Posted by: Steve
Basic calculator. That's exactly what I wanted. But I expected it to work. It doesn't. You can not trust it to do the calculation properly.
Written by a customer while visiting Staples
Posted by: D & D Carpet
Verified Purchase:Yes
I buy several at a time. Out of this batch none calculated accurately.
No, I would not recommend this to a friend.
Written by a customer while visiting Staples
Posted by: Tom
Verified Purchase:Yes
Compact and easy to use.
I would recommend this to a friend!
Written by a customer while visiting Staples
Posted by: MiMi
Verified Purchase:Yes
Just needed a medium sized calculator, nothing fancy & this is just what I needed.
I would recommend this to a friend!
Written by a customer while visiting Staples
Posted by: Karel
Verified Purchase:Yes
Great purchase: key pad is just right: numbers are good size as are the readout numbers,
Written by a customer while visiting Staples