White 4Point Sharp El-334Wb Business Calculator. Product Details 12-digit calculator with a kickstand features an extra-large LCD that displays crisp, clear digits to prevent reading errors. Durable keys are appropriately spaced for fast, accurate data entry. Cost-sell-margin keys simplify profit margin calculations by allowing you to enter two variables and automatically receive the third variable. Backspace key allows you to make quick, single-digit corrections for time-saving use. Twin-power operation runs on solar energy with a battery backup to provide consistent, reliable performance in any environment. Desktop calculator also includes grand total key, double-zero key, automatic tax keys, four-key independent memory, automatic power down and more. "Extra-large, fixed LCD displays crisp digits to prevent reading errors" Durable keys are comfortably spaced for accurate data entry Cost-sell-margin keys allow quick profit margin calculations "Backspace key allows fast, simple corrections for time-saving use" "Also includes grand total key, double-zero key and more" Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.