Overview Reviews Product Description About Casio SL310UCWE Calculator Casio SL310UCWE 10 Digit Tax & Time Calculator is perfect for taking to school or keeping handy at home or work. It has a clean and simple, large display so you can see your workings, plus it comes with special buttons for calculating tax and time. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Casio Casio SL310UCWE 10 Digit Tax and Time Calculator Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments