15973 Large Button Calculator, 12-Digit LCDCompletely flat design for easy storage.Features: square root, +/- switch, and percent keys help solve more complex math problems.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
