entering vectors and +/- sign

[Joe Horn]

(08-11-2014 10:49 AM)mcjtom Wrote:  On somewhat related topic: how do I convert a row (or column matrix) to a vector (i.e. lose double square brackets?

From the keyboard, just copy it to the edit line, place the cursor anywhere within the single-row matrix, and press Shift 5 (the square-bracket key). Shift 5 toggles between matrix and vector. Very handy.