(Rubik's Cube) A method of solving the Rubik's Cube in which one starts with a cross, then finishes the F2L, then does OLL and PLL.

An instrument for locating rebars and measuring the depth of concrete that covers them.

laughing will make one feel better

Used to allude to something unsaid or hinted at.

The mean (average) of all numbers observed, rather than that of a subsample.

plural of arithmetic mean

plural of geometric mean

plural of measurable function

plural of measurable space

plural of measure space