This program is by Ken Delsnider and is used here by permission.
This program is supplied without representation or warranty of any kind. Ken Delsnider and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.
Program Name WEIR METRIC
Function Use to calculate the flow over a rectangular weir.
Where:
L = Length of weir in metres
Q = Flow in cubic metres per sec
HW = Height of weir in metres
HL = Head of flow above the weir in meters
00 { 78-Byte Prgm } 01>LBL "WEIR" 02 MVAR "LEN" 03 MVAR "HW" 04 MVAR "HL" 05 MVAR "Q" 06 RCL "HL" 07 3E-3 08 × 09 1.787 10 + 11 RCL "HL" 12 RCL "HW" 13 ÷ 14 0.236 15 × 16 + 17 RCL "LEN" 18 × 19 RCL "HL" 20 1.5 21 yx 22 × 23 RCL "Q" 24 - 25 END
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