![]() It uses direct numerical schemes such as Newton's method. It appears that you are after an approximate numerical solution. Solve (like all other Mathematica functions) also has a specific purpose: solving polynomial equations or equations that can be reduced to such a form. It is not a good idea to use it with inexact input such as yours. Solve is meant for symbolic computation with exact numbers. For the rest, I believe you might as well type English and it won't make a difference. It doesn't-at least it doesn't interpret it the same way as Mathematica would, even if it does interpret certain trivially simple inputs in some way. It is a common misconception that W|A takes Mathematica syntax. It's sometimes quite hard to control its interpretation of an input. It interprets natural language and makes guesses about what you mean. ![]() That means that you have the possibility to phrase your problem precisely, but you are also required to phrase it precisely. Mathematica requires precise and unambiguous input. That's because the input is not interpreted the same way by Mathematica and W|A. ![]()
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