(20S) and (21S) Number of Days Since January 1
05-20-2019, 12:52 PM
Post: #1
 Eddie W. Shore Senior Member Posts: 937 Joined: Dec 2013
(20S) and (21S) Number of Days Since January 1
Days Since January 1

Input:
R1: day
R2: month
R3: 0 if we are working in a non-leap year, 1 if we are working in a leap year

Output:
R4: number of days since January 1

Program:
Code:
 01 LBL A: 61,41,A 02 RCL 1:  22,1 03 STO 4: 21, 4 04 3:  3 05 5:  5 06 STO - 4:  21,65,4 07 RCL 2: 22,2 08  INPUT:  31 09  2:  2 10  x ≤ y?:  61,42 11  GTO 2:  51,41,2 12  RCL 2: 22,2 13  *:  55 14  3:  3 15  0:  0 16  . : 73 17 6:  6 18  +:  75 19  1:  1 20  .  : 73 21  6:  6 22  =:  74 23  IP:  51, 45 24  STO + 4:  21,75,4 25  RCL 3:  22,3 26  STO + 4:  21,75,4 27  RCL 4: 22,4 28  RTN:  61, 26 29  LBL 2:  61,41,2 30  RCL 2:  22,2 31   *:  55 32  3:  3 33  0:  0 34  .  : 73 35  6:  6 36  +:  75 37  3:  3 38  6:  6 39  8:  8 40:  .  : 73 41  8:  8 42 =: 74 43  IP:  51,45 44  STO + 4:  21,75,4 45  3:  3 46  6:  6 47  5:  5 48  STO - 4:  21,65,4 49  RCL 4:  22,4 50  RTN:  61,26

Example 1:
1/1/2019 - 5/7/2019 (non-leap year)
R1: 7, R2: 5, R3: 0
Result: R4 = 126

Example 2:
1/1/2020 - 11/14/2020 (leap year)
R1: 14, R2: 11, R3: 1
Result: R4 = 318
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