Oh. Well I'm sure qw23 would know.
Well I can't think of anything interesting to do for this since SciSnap really is for representing data form science experiments.
I noticed your response only just now. I take it you’re looking for a general method to calculate the inverse of any function involving some kind of summation.
Short answer
There is no such general method. Just like there is no general method to solve any equation, or set of equations.
Slightly longer answer
For some summations the inverse can actually be analytically calculated. In your example, y = 1 + 2 + … + x = (x + 1) . x / 2, and reversing this is equivalent to solving x in the following quadratic equation: x2 + x - 2y = 0.
If an analytical approach isn’t available, you may try a numerical approach, or trial-and-error.
Oh.
I have some ideas!
Ideas
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Use the input block (found in Sensing category), to create games that feature choices or menus.
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Use PlotPad. This isn't some external plugin or something, it just turns a sprite into a plotting area.
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Play with ImagePad. Hopefully you can pick up something cool from ImagePad.
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Try GraphPad too.
I learnt out that most SciSnap! features look advanced, complicated and feels like it's gonna connect to an external program when it doesn't. I never knew how advanced is the "pad" features until I used it.
on 12/30/23, the scisnap games tournament is over