Casio HS-8VA-WK-UP Calculator Basic

Casio-HS-8V-Basic-Calculator-62-x-102-x-9mm-Casio-HS-8VA-WK-UP-p-A-dual-powered-solar-battery-8-digit-calculator-ideally-suited-to-educational-applications-as-the-low-cost-makes-it-possible-to-allocate-one-per-student-The-dual-power-facility-allows-use-in-darker-environments-than-solar-power-only-p-Casio-HS-8VA-WK-UP-Calculator-Basic

Price: 4.20 from Rapid Online Rapid Electronics Ltd.