I don't think I will be keeping this app........unless

[diesel]

Your app is a bit strange to me. I was expecting to be able to create my variables, then create a complete formula with = and enter values for all the variables that I have in the formula except for one variable and then have your app solve for the unspecified variable. However, from what I can tell, I would need to reformat the formula multiple times with each variable that I could possibly solve for specified as a result.

For example, something as simple as x = a + b

In the above, I would want to just specify variables x, a, and b and create one formula such as x = a + b and i can enter values for any two variables, an the app should solve for the missing variable based on the formula, however i have to create 3 separate results:

Result x, Formula a + b
Result a, Formula x - b
Result b, Formula x - a

As you can see, this seems extremely backwards and quite frankly stupid. I should only have to specify one formula and specify all but one variable value and then your app should solve for the missing variable.

Am i missing something?

Can you put in a feature so that i can create a complete formula with = and have the app solve for the unspecified variable?

Or at least enter a value into the Results and all other varables minus one and have the app solve for the unspecified variable?

thanks

[wesmd]

I can't speak for the developer, but from my use of this app, I would say that this app doesn't do what you want.
I hope you tried the Go Figure Lite first to discover that this app isn't suited for you.
Let me just say in defense of this app that for me and my needs, it is the best one on the App store. (I don't have a jail-broken phone.)

To accomplish what you want you would first have to execute a set of logic tests to identify which variable is missing. For example enter 0 when this is the variable that you want to solve for and enter a non-zero value for the other two variables.

I might use
Flag 1: And(x = 0, a <> 0, b <> 0)
Flag 2: And(x <> 0, a = 0, b <> 0)
Flag 3 : And(x <> 0, a <> 0, b = 0)

Then I would write out the formula for case 1 multiplied by flag1, plus the formula for case 2 mulitplied by flag2 plus the formula for case 3 multiplied by case 3. So one final result line should solve your equation taking into account the value you which to solve for based on the logic testing provided by the flags.

I hope this isn't too confusing.

And if this doesn't provide you what you want, then either abandon Go Figure or wait for an update that offers this capability. But since I am not the developer, I can't tell you whether this capability is even feasible, although as noted above you can "write" a solution that ought to work for you without having to reformat the formula multiple times. Whether this is a "stupid" solution is your call.

[mgkennard]

Hello,

Thanks for your post. Unfortunately what you require is outside of the scope of Go Figure. I do not currently know of any iPhone applications which will meet your requirements. Try posting on a forum such as http://forums.macrumors.com/. There are some web applications, although not tailored specifically to the iPhone.

I hope you can still find a use for Go Figure!

Kind regards,

Matthew
Apps On The Move

[mwm]

I was going to ask for something very like this, but then recanted. This isn't a general purpose equation solver, but given a sufficiently constrained equation set, it could make some things (i.e. - temperature conversions) much easier.

The constraint for the simple case is that you have N variables/results and N-1 equations, such that all the values can be determined once one value is known. Figuring out which variable changed is pretty easy, so you could then calculate all the values based on that. However, you'd still have to input multiple sets of equations, starting with different "known" values. Some smarts to let you interconnect them might help reduce things - so that once you've input the "convert from Celsius" formulae, the rest just have a "convert to celsius, use convert from celsius" thing.

But then you start looking at how this interacts with the other input variables, and possibly having just two sets, and it begins to look like more trouble than it's worth. Possible a special form for doing conversion-type things, but not a general purpose tool.