Driven by design, the X Mark I calculator was created for the trendy, sophisticated and environmentally-conscious end-user in mind. This high-end desktop calculator provides an impressive performance with important functions like Cost-Sell-Margin, Grand Total, Sign Change, and Backspace Key along with increased memory capability. Its slim, compact body includes a polished upper casing with IT/PC feel top keys and a metal lower casing with non-slip rubber feet. The display panel of the X Mark I is made from recycled, pre-consumer material of Canon digital cameras. The X Mark I is perfect to use, display on your desk or carry on-the-go.