05072023, 01:15 PM
HP11C or 15C program to calculate the number of
Hours and Minutes in between two times period.
Procedure:
Input your time in decimal format for example:
11:25 input as 11.25
9:05 input as 9.05
LBL A for the Starting Time
LBL B for the Ending Time
LBL C for Times Period with the same AM to AM or PM to PM time.
LBL D for Times Period beyond Noon or Midnight.
Example Usage: [USER] Fix 2
Calculate the hours from 12:15 PM to 4:56 PM
This problem is in the same times period PM to PM so use LBL C
12.15 [A] 4.56 [B] [C] display 4.41 answer: 4 hours 41 minutes
Calculate the hours from 7:45 AM to 6:05 PM
This problem shift from AM to PM so use LBL D
7.45 [A] 6.05 [B] [D] display 10.20 answer: 10 hours 20 minutes

Program:
Gamo 5/2023
Hours and Minutes in between two times period.
Procedure:
Input your time in decimal format for example:
11:25 input as 11.25
9:05 input as 9.05
LBL A for the Starting Time
LBL B for the Ending Time
LBL C for Times Period with the same AM to AM or PM to PM time.
LBL D for Times Period beyond Noon or Midnight.
Example Usage: [USER] Fix 2
Calculate the hours from 12:15 PM to 4:56 PM
This problem is in the same times period PM to PM so use LBL C
12.15 [A] 4.56 [B] [C] display 4.41 answer: 4 hours 41 minutes
Calculate the hours from 7:45 AM to 6:05 PM
This problem shift from AM to PM so use LBL D
7.45 [A] 6.05 [B] [D] display 10.20 answer: 10 hours 20 minutes

Program:
Quote:LBL A
H→
STO 0
RTN

LBL B
H→
STO 1
RTN

LBL C
X<>Y
INT
12
X=Y
GTO 0
RCL 1
RCL 0

→H.MS
X<0
GTO 1
RTN

LBL D
RCL1
12
+
RCL 0

→H.MS
RTN

LBL 0
RCL 1
RCL 0
12


→H.MS
RTN

LBL 1
CHS
RTN
Gamo 5/2023