Thanks to a host of useful features, the Canon LS-82Z is one of the most user-friendly calculators around

• The upright LCD helps prevent overhead glare and eye strain, while the large display makes numbers appear clear and crisp even in the dimmest lighting

• Combine these features with large keytops and keytop characters, and you'll find that miscalculations are almost impossible

• Both solar and battery power ensure that you'll always finish whatever you start, whenever and wherever you are so you don't miss a step

• Large, eye-angled, upright display

• Floating decimal point system

• Extra-compact portable size

• Extraction of square root