Based on the users' reviews of the Big Button Calculator Pro Lite app, here are three pros and cons: **Pros:** 1. Easy to use with large buttons: Many users praised the app's intuitive design and large buttons, making it easy to calculate and navigate. 2. Accurate calculations: Reviews highlighted the app's precision and accuracy in performing complex calculations, which was a major selling point. 3. Simple and lightweight: Users appreciated the app's small size and lack of unnecessary features, making it a great option for those who want a basic calculator. **Cons:** 1. Limited functions: Some users felt the app lacked more advanced mathematical functions, such as trigonometry or statistical analysis. 2. Advertisements can be intrusive: Some reviewers were annoyed by the app's advertisements, which they felt interrupted their usage experience. 3. No ability to edit calculations: A few users wished they could edit their previous calculations or copy/paste values between calculations, making it more convenient.