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Announce: HP-15C Simulator / Release 3.3.00, Build 5403
01-24-2014, 05:35 AM (This post was last modified: 01-24-2014 10:04 AM by RMollov.)
Post: #14
RE: Announce: HP-15C Simulator / Release 3.3.00, Build 5403
Solver problem.
Corrected after Walter's findings.

EQN:

R*( TAN (ACOS (R/(R+h))) - ACOS(R/(R+h)) ) - dL/2 = 0

R= 6,371,000m (stored in register .0)
dL=1m (stored in register 0)

h=?



Code:

   000 {             } 
   001 {    42 21 11 } f LBL A
   002 { 45 40 48  0 } RCL ✛ .0
   003 { 45 10 48  0 } RCL ÷ .0
   004 {          15 } 1/x
   005 {       43 24 } g COS-¹
   006 {          25 } TAN
   007 {       43 36 } g LSTx
   008 {          30 } −
   009 { 45 20 48  0 } RCL ✕ .0
   010 {    45 30  0 } RCL − 0
   011 {       43 32 } g RTN



RAD mode
Initial Guesses: 0, 1

Solve 'A' ->

Returns solver error unlike all HP calculators I have.
I realize this simulator uses different algorithm but never the less.
WP-34s also struggles at this.
I'm wondering if I'm doing something wrong.

I found interesting differences in answers given by: HP48G, HP35s and HP15c LE - real calculators and simulators: iPhone's 42S and Free15c. They all solve the case.

Regards,
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RE: Announce: HP-15C Simulator / Release 3.3.00, Build 5403 - RMollov - 01-24-2014 05:35 AM



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