You can't verify your calculations any better. In accounting departments or banks, many calculations are performed daily. Therefore, having a reliable calculator on hand is essential. If you're looking for a flawless calculator, you've found it here. The Canon LS-39e is a top-notch calculator with a range of advantages. First, it features an 8-digit display with excellent readability in various lighting conditions. Second, it is compact and truly easy to carry, allowing you to provide precise answers to your colleagues anytime and anywhere. Additionally, it operates on both battery and solar power. This means that with this Canon calculator, you are no longer dependent on lighting conditions, as it can automatically switch from solar power to batteries.