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Reviews (5)
07 April 2020
Excellent
Excellent, good amplification, recording quality, cheap
23 June 2020
very, very good!
easy to use
28 December 2013
OK, very good.
0 of 1 found this helpful Firstly, the dimension of the calculator is just right for most hands. This is an important factor because devices are designed for human use. Therefore, an ergonomic design is one of the winning properties of modern products.