User manual SHARP EL-387V

[. . . ] For expressing calculation examples, only the symbols that are required for explanation are mentioned. Example procedures are listed in following manner unless otherwise specified. Number of days calculation (start day: starting date of a given period; end day: ending date of a given period) Period calculation: Input the start day and end day and calculate the number of days in a period. [. . . ] The calculator can compare the previous calculation result (obtained by pressing or ) with the result that follows it. Note that repeating the procedure will compare the third result with the second result. You can perform additional number of days calculations successively until is pressed. The and keys are not valid when performing number of days calculations. Number of Days Calculations Including Leap Years When performing number of days calculations, the calculator does not allow for February 29 (occurring only in leap years) and it is not possible to input the date February 29. To do number of days calculations involving leap years, follow the steps below. Calculation Type 1 2 3 4 5 Calculating a period including the date February 29 Days after Calculating the end day of a period including the date February 29 Days before Number of days calculation with February 29 as the start day Number of days calculation with February 29 as the end day Procedure Add 1 to the calculated number of days value. Use the day preceding the calculated end day. Use the day following the calculated end day. Example: How many days are there from February 25 to March 9?(Exclude one) Calculation result: 12 days As described in case 1 in the table above, add 1 day for a total of 13 days. example: What date falls 50 days after February 25?(Include both) Calculation result: April 15 As described in case 2 in the table above, use April 14, the day preceding the calculated end day. Appears if first and second calculation results match. It is not possible to compare counter values, values stored in memory, or calculation intermediate values. Can also be used with number of days calculations. [. . . ] For Switzerland: Used electrical or electronic equipment can be returned free of charge to the dealer, even if you don't purchase a new product. Further collection facilities are listed on the homepage of www. In the European Union If the product is used for business purposes and you want to discard it: Please contact your SHARP dealer who will inform you about the take-back of the product. [. . . ]