@halirutan Would you have time to give IGGraphEditor[] a quick test on Linux, and check that creating new vertices, or deleting old ones, works by holding down Alt and clicking? mathematica.stackexchange.com/a/270828/12
Hello! I wonder if anyone knows whether or not WolframAlpha can use Taylor's remainder theorem to give an upper bound on an error? I'm not posting this on the main site because W|A is off-topic there.
