![]() The Inverse Symbolic Calculator (ISC) uses a combination of lookup tables and integer relation algorithms in order to associate a closed form representation with a user-defined, truncated decimal expansion (written as a floating point expression). THIS BEING SAID, the answers you are asking is shown on your website. Using the other information you provided such as above (using cookies, or information the users would have just put), you may achieve to narrow your answers enough to have something great ! Trivially, and probably too abstractly explained : if you want to reverse "10", it will know where it most went according to the number of iterations made, and path it took to get there. This whole will be linked to the output via some neural network.Īs for the last part, it will be the "reverse engineering" problem. Save the user inputs, along with some other information (Is this science data ? Sociology ? Politics ? Stats ? Linear algebra ?). Anonymize the data so you can't trace it back to one specific user, but save a way to know it is this user specifically. Register and save the data from a bunch of calculators around the web. We have very briefly settled that we need to make a history, but as you said : How would you do it efficiently ? And that's a very different question. How would you do that ? By having a history of, either the users specifically (an individual), or a certain cluster of people, or just everyone. A number like this doesn't help because there is an infinite number of answers, and you want to narrow your answers accordingly.Ī simple example of infinite answers would be :īut now, you need to give credits to some answers more than others. If your question is "10", it will need to know where to go, and where to search. It can't think, or whatever : but it will give you an answer related to your question. The computer is dumb, but it is very fast at it. This is not a trivial question, but it is a question nonetheless. Again, look at Pcalc for a tasteful example.Īlso, it would be nice to get rid of the bright background on the answers and just use white text on black - just a personal preference.I do not have enough characters, so I am answering to the comment below the original post.Įxactly. So a bit of guidance through color is useful. People like me are switching back and forth between multiple engineering apps each with its own key layout, multiple times per minute. ![]() The two color UI is kinda pure but not worth the slowdown caused for entering numbers. You need slightly different color shades around the numbers and another different shade of gray around common operators to guide fast number entry. Pcalc does not have this problem, so please do what ever they are doing to fix this annoyance.Ģ. Really annoying to do this hundreds of times a day. ![]() I am always switching back and forth between my data feeds and the calculator and every time I return, I need to delete unwanted characters from the swipe up gesture. ![]() Swipe up to switch between apps causes numbers to be entered. So I will be using my other favorite : Pcalc Lite half the time at least.ġ. I have been using this for about a day now and I love it except for some UI issues. – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period Payment will be charged to iTunes account at confirmation of purchase. A paid subscription unlocks the more advanced tools and online sharing capabilities. This free version of SymCalc provides basic symbolic arithmetic features for free. All built-in functions come with descriptions and examples Session management: export, import sessions or create PDF files Solvers: single equations or systems, symbolically or numerically, differential equations Linear algebra: matrix operations, determinant, rank, reduced echelon form, characteristic polynomial, etc. Calculus: derivatives, integrals, limits, taylor expansion, etc. Algebra: operations on polynomials, such as expansion and factorization, collecting terms, division with remainder, etc. Store unlimited number of variables, create custom functions 5/15 is 1/3 and not 0.333 (unless you select rounded numerical mode) It offers all the advantages of an advanced graphing/scientific calculator mixed with the convenience of a modern mobile app. The perfect tool for students, teachers and engineers, built on an extremely powerful algebra engine, SymCalc solves any math problems from basic arithmetics to university-level advanced math.
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