Part-manufactured from Canon recycled product material, making it ideal for people interested in sustainable consumption.BenefitsDual way (Maths or line) modeLarge LCD dot matrix display264 functions and featuresDual power source: solar and replaceable batteryPart-manufactured using recycled Canon product materialPart-manufactured from Canon recycled product material, making it ideal for people interested in sustainable consumption.BenefitsDual way (Maths or line) modeLarge LCD dot matrix display264 functions and featuresDual power source: solar and replaceable batteryPart-manufactured using recycled Canon product material