The Aurora HC133 is an ideal calculator for general use, it has a large clear 8 digit LCD display to enable easy viewing and is solar powered with a battery backup for reliability. The calculator is designed for ease of use and has a spacious keypad with large numerals, durable hard keys and all the required maths functions you would expect. The HC133 is also commonly used within primary education and is ideal for teaching basic calculator usage during Key Stages 1&2. Overall a robust quality product which is very good value for money and is ideal for learning.