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## Main Question or Discussion Point

I've got a small issue at hand right now.

I need to solve simultaneous equations with unknowns in order to do mesh and nodal analysis problems. The issue is, i can't figure out how to enter the equations in to get an answer out. My previous calculator was a t183+, so i'm not that well acquainted with the 50g or HP calculators in general.

I read https://www.physicsforums.com/showthread.php?t=190871" thread, but can't seem to wrap my head around it.

The set of equations i'm trying to solve is

V1(2.5∠-29.9)-V2(0.5∠0)=24∠0

V1(0.5∠0)-V2(0.539∠21.80)=4∠0

solving for V1 and V2.

I'm using RPN mode as mentioned in another thread i found, and for the ∠ symbol i'm using the alpha+Rshift+6 insertion.

So far i've tried entering the following without success.

['X(2.5∠-2.29)-Y(0.5∠0.)=(2.5∠-2.29)']

['X(0.5∠-2.29)-Y(0.539∠21.80)=(4.∠0.)']

{X Y}

I keep getting "invalid syntax" on the angle symbols when entering the equations, yet when entered as just (2.5∠-29.9) on the stack, they auto-convert to rectangular form.

I've also tried with the rectangular equivelents like so.

['X(2.5,-0.099)-Y(0.5,0.)=(2.5,0.099)'] ENTER

['X(0.499∠-1.99)-Y(0.5,0.2)=(4.,0.)'] ENTER

{X Y} ENTER

That enters in properly and displays on the stack, but when i use Rshift+NUM.SLV MSLV i get "Bad Argument Type"

Please let me know what i'm doing wrong, and feel free to ask for any other information or screenshots if needed.

I need to solve simultaneous equations with unknowns in order to do mesh and nodal analysis problems. The issue is, i can't figure out how to enter the equations in to get an answer out. My previous calculator was a t183+, so i'm not that well acquainted with the 50g or HP calculators in general.

I read https://www.physicsforums.com/showthread.php?t=190871" thread, but can't seem to wrap my head around it.

The set of equations i'm trying to solve is

V1(2.5∠-29.9)-V2(0.5∠0)=24∠0

V1(0.5∠0)-V2(0.539∠21.80)=4∠0

solving for V1 and V2.

I'm using RPN mode as mentioned in another thread i found, and for the ∠ symbol i'm using the alpha+Rshift+6 insertion.

So far i've tried entering the following without success.

['X(2.5∠-2.29)-Y(0.5∠0.)=(2.5∠-2.29)']

['X(0.5∠-2.29)-Y(0.539∠21.80)=(4.∠0.)']

{X Y}

I keep getting "invalid syntax" on the angle symbols when entering the equations, yet when entered as just (2.5∠-29.9) on the stack, they auto-convert to rectangular form.

I've also tried with the rectangular equivelents like so.

['X(2.5,-0.099)-Y(0.5,0.)=(2.5,0.099)'] ENTER

['X(0.499∠-1.99)-Y(0.5,0.2)=(4.,0.)'] ENTER

{X Y} ENTER

That enters in properly and displays on the stack, but when i use Rshift+NUM.SLV MSLV i get "Bad Argument Type"

Please let me know what i'm doing wrong, and feel free to ask for any other information or screenshots if needed.

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