CA-56-1U CA-56-1DF Casio Dual Time Calculator Stopwatch Watch Specifications: Accuracy at normal temperature: ± 15 seconds a month Regular timekeeping Hour minute second am/pm year month date and day... on its double display Time system: Changeover between 12/24 hour formats Calendar system: Auto-calendar pre-programmed to the year 2079 Calculator mode 8 digits (7 digits for negatives) Abilities: Four basic calculations chain & mixed operations constants for + / - / x / ÷ power calculation Decimal point: Full floating with underflow Overflow check: Indicated by the "E" sign locking the calculator mode Stopwatch mode Measuring capacity: 23 hours 59 minutes 59.99 seconds Measuring unit: 1/100th of a second Measuring modes: Normal time net time lap time and 1st-2nd place times Dual time mode Daily alarm mode Hourly time signals Battery: (Module No. 437) One lithium battery (Type: CR-2016) Approx. 5 years of operation on type CR-2016 (Includes the alarm for 20 seconds and calculation for 1 hour per day) |