3 Feature Requests

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ottoman42
User offline. Last seen 10 years 18 weeks ago. Offline
Joined: 10/20/2010
Posts:

Love the app really great and intuitive. But I have two requests.

1. Solve for any variable. In the Attached file I'd love to be able to Solve for P1 or P2 without having to create the reverse equation myself. So lets say I know P1=5 and X=10 I'd love for your app to solve for P0.

2. I'd love to see a readout of the steps it is performing in the order a human needs to perform it. Certianly helps me understand what is going on better if I can see the work that the app is doing.

3. A way to "lock" equations. What I mean by that is after creating the equation having a button that gives me the ability to only input numbers for the variables. IE only allow numeric input.

Thanks! Great work on this and absolutely love this app!

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Brad Larson
Brad Larson's picture
User offline. Last seen 4 years 22 weeks ago. Offline
Joined: 05/14/2008
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Solving for arbitrary variables is a very common request right now, so I'm working on a way of doing that numerically.

I don't know if you'd get much out of a description of how the application calculates the result. Basically, it breaks down the mathematical expression into a tree of sub-expressions. It then starts at the bottom and calculates each result on the way up. The final result at the top is the answer. I don't know where in the interface I'd lay this out, or even how to present this for more complex calculations.

As far as locking equations to only allow numerical input, this is something I've thought about myself. I don't want to clutter the interface with yet another button, but I'll see if I can make this work in some other context.

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