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It does a lot of things! I study electronic engineering and it is the coolest web tool :) Something like a web based mathematica Few examples: integral sin(x)*sin(x) inverse laplace transform 1/(s+3) plane for (1,1,1) (0,0,1) and (1,2,3) RLC circuit 1ohm, 3nH,1pF Or roughly analyzing my computer consume: 0.25 €/kwh * 650W * 1 month or you can ask it what ...


You can use the before and after keywords in your search, for example: after:2012/4/26 before:2012/5/3 To search for emails between April 26, 2012 and May 3, 2012.


Today, finally, I discovered a new search engine that doesn't ignore special characters: SymbolHound SymbolHound is a search engine that doesn't ignore special characters. This means you can easily search for symbols like &, %, and ^, or even less common characters such as ©, ¬, and µ. I'd like to share some information from their FAQ: Why ...


This is not possible at the moment. If you look at the list of search operators, you'll see that the closest thing you can do is filter out all mails with an attachment. An alternative would be to use an IMAP client (such as Thunderbird) and then use that interface. Since you want that feature, express your needs over at the feature-suggestion site of ...


When I had to search for a large e-mail, I went for the try-and-see-if-it-works method, and used the search term size:5000000 to find e-mail of 5MB large, and that seemed to actually find all my emails larger than 5MB. I tried different numbers and it seemed to work consistently. Even though this operator isn't documented in the advanced search options, it ...


You want to use tineye: TinEye is a reverse image search engine. It finds out where an image came from, how it is being used, if modified versions of the image exist, or if there is a higher resolution version.


Remy Sharp wrote a website application that will search your, or someone else's tweets without the limitations Twitter imposes so you can search far further back in time. It's at


is:unread -label:ZDNet


In the right hand side of the gmail search bar there is a drop-down arrow- click it. The drop-down includes a date range option, and you should be all set from there


If you click "1-20 of [...]" you will see options to jump to the Newest or Oldest. The Oldest option isn't available if Gmail is still calculating the results so you may need to wait until the query finishes processing. Wait some time and hit the Older button to update the menu.


I use it for combining colors to get hexadecimal values when writing colors in css. for example, I need dark red: red + #000000


I wrote an app that will let you perform a text search for your Facebook photo albums, videos, notes, status posts and recent events:


Add is:read to your search terms.


has:attachment — show mails which have an attachment filename:xyz — search for attachments based on type or name


There is an answer to the same question on that you can reference. Jonathan Sampson's answer from that post: from:username tax Or use google: tax


You can use the minus sign (-) in front of the terms you want to exclude from the search results. For example: stephen king -dark


You can exclude search results on GitHub using a minus sign. So to search for all issues not labelled as bugs, you could put the following into a search: type:issue -label:bug Source.


How to do this by setting up a custom search on Google Chrome: 1. Go to 2. Do a search for +( AND AND stuff) (Add in your other favorites to this list.) 3. Search. Copy the URL from the search results. It should look something like this: ...


Not exactly what you asked for, but I think it's as close as you are going to get. This site lets you enter an approximate location for departure, a range of dates and a price range and visually displays all the possible destinations within that range.


I just realized that I can narrow down the search results with more search operators. Specifically, the before:1999/01/01 is very useful for this! I can set progressively older dates to reduce the results until I see what I need.


Perhaps this is because when linking to Google+ members the + is a prefix to the member name. See, e.g, Google Kills Its Other Plus, and How to Bring It Back on Wired: Google wouldn’t disclose exactly why they phased it out, though it seems obvious that they’re paving the way for Google+ profile searches. When Google+ launched, instead of adopting ...


In the search bar, type posts by me and then the string you are searching for. The new Facebook Graph Search should return all relevant posts by you.


#trends near:"New York" within:5mi 5mi = 5 mile. Defines the radius to search around New York.


Try SuperUser. From the FAQ: Super User is for computer enthusiasts and power users. If you have a question about computer hardware computer software


Mendeley is excellent: I use it to manage a collection of several hundred PDFs. Favorite features include its automatic renaming of files, in-line highlighting and note-taking, automatic lookup of paper metadata via Google Scholar, and great support for OpenOffice, Word, and BibTex. Its search capability is also very good. And, it's well-integrated with ...


Sadly you can't sort by size so you might find this article at Lifehacker on how to clear down your Gmail account useful. One of the recommendations is using the filename: operator to find larger attachments, e.g. filename:wmv


This isn't exactly the quickest way, but you could search by file types first, which might help you narrow down large e-mails. For instance, you could do a search for video file types (which are huge) first, like this: has:attachment (*.mov || *.wmv || *.avi) or zip files, like: has:attachment (*.zip || *.rar || *.7z || *.tar.gz) Etc., etc. Hope that ...

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