User vars
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12-13-2013, 01:52 AM
Post: #1
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User vars
The new hp Prime is wonderful! I am having great fun learning and developing apps for my own particular situation.
I would like to write a program to: make the vars, changes the vars, restore the user vars on my hp Prime. Can anyone help? The type of variables are real number and the following is an example of the User vars on my Prime: {Lf, Le, Ql, Pd, Lm, Vl, Dia, BHP, Hr, Prs, Ppm, P1, P2, P3, Wp, Gst, Pst, Ax, Yx, Hx, El, Kva, Vd, Cma, Mns, Ds, Mx, CuM, Usg, Kpa, Mps, Hd, Hrs} I am using the vars in customized apps such as the following: copy of Solve app named Electric Program: Electric EXPORT Electric() BEGIN Electric.E1:='(W/E)=I'; Electric.E2:='(E/R)=I'; Electric.E3:='v((W/R)=I)'; Electric.E4:='v(W*R)=E'; Electric.E5:='(I*Lf*2*10.8/%(3,240))=Cma'; Electric.E6:='(I*Lf*2*10.8/Cma)=Vd'; Electric.E7:='(A*1.25*240/600)=I'; Electric.E8:='(I*E/1000)=Kva'; Electric.E9:='(Usg*Hd/%(80,3960))=BHP'; END; Electric Solve info: User vars: Lf, Vd, Cma, Kva E1: W/E=I Desc- vars- W- Watts, E- Volts, I- Amps E2: E/R=I Desc- vars- E- Volts, R- Ohms, I- Amps E3: SQRT(W/R)=I Desc- vars- W- Watts, R- Ohms, I- Amps E4: SQRT(W*R)=E Desc- vars- W- Watts, R- Ohms, E- Volts E5: (I*Lf*2*10.8/%(3,240))=Cma Desc- Calc Cma wire size with 3% Voltage drop vars- I- Wire Amps, Lf- feet length of wire , Cma- wire size E6: (I*Lf*2*10.8)/Cma =Vd Desc- Calc Voltage drop for a certain wire size vars- I- Wire Amps, Lf- feet length of wire , K-10.8, Cma- wire size, Vd- Voltage drop, 7.2 is 3% of 240 Refer to Notes table for Cma to AWG sizes. E7: (A*1.25*240/600)=I Desc- Calc wire Amps vars- A- Motor Amps, I- Wire Amps E8: (I*E)/1000=Kva Desc- Calc transformer size. vars- I- Amps, E- Volts, Kva- kiloVoltAmps E9: (Usg*Hd/%(80,3960))=BHP Desc- Calc Break horse power for a water pump motor. vars- Usg- US gallons per minute, Hd- Feet head of water BHP- Break horse power Notes American Wire Gauge AWG table: AWG, Circular Mil area- Cma, Area mm^2 0000 211,592 107 000 167,800 85 00 133,072 67.4 0 105,531 53.5 1 83,690 42.4 2 66,396 33.6 3 52,633 26.7 4 41,740 21.2 5 33,101 16.8 6 26,251 13.3 7 20,818 10.5 8 16,509 8.37 9 13,092 6.63 10 10,383 5.26 11 8,234 4.17 12 6,530 3.31 13 5,178 2.62 14 4,107 2.08 Thank you |
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Messages In This Thread |
User vars - pvrs - 12-13-2013 01:52 AM
RE: User vars - CR Haeger - 12-13-2013, 03:39 PM
RE: User vars - pvrs - 12-13-2013, 09:24 PM
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