Staples SPL-250 10-Digit Large Display Calculator - Solar Powered with Battery Backup and Auto-Off Product Features Solar-powered with battery backup and auto-off for energy savings 10-digit display calculator provides easy viewing Mark-up and grand total keys, square root, percent, change sign keys, backspace key Memory store and plus/minus Owner manuals are easily accessible and make it easy for you to consult for the answers you need. Any third party products, brands or trademarks listed above are the sole property of their respective owner. No affiliation or endorsement is intended or implied. my calculator is all screwed up. For a while it was giving blatantly wrong answers (which I found out was related to the "Show trailing zeros" option), but now I still don't have any decimal places available. It just rounds everything to the nearest one's place. If I put in '1/2' it gives me '1' (since 0.5 rounds to 1), if I divide by 2 again, it gives me '0' (since 0.25 rounds to 0). 3/F Dela Rosa Square Bldg. Chino Roses Avenue corner Dela Rosa Street, Pio Del Pilar, Makati City. 1230. Metro Manila Louisville - United States