Illustration of a 50 by 50 grid.

50 by 50 Grid

Illustration of a 50 by 50 grid.

Illustration of a 6 by 6 grid.

6 by 6 Grid

Illustration of a 6 by 6 grid.

Illustration of a 7 by 7 grid.

7 by 7 Grid

Illustration of a 7 by 7 grid.

Illustration of a 8 by 8 grid.

8 by 8 Grid

Illustration of a 8 by 8 grid.

Illustration of a 9 by 9 grid.

9 by 9 Grid

Illustration of a 9 by 9 grid.

Illustration of an xy grid/graph. It is the Cartesian coordinate system. Neither axis is labeled.

Blank Coordinate Grid

Illustration of an xy grid/graph. It is the Cartesian coordinate system. Neither axis is labeled.

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system. Neither axis is labeled.

Blank Coordinate Grid With Grid Lines Shown

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system. Neither…

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system. Neither axis is labeled.

Blank Coordinate Grid With Grid Lines Shown

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system. Neither…

Illustration of an xy grid/graph. It is the Cartesian coordinate system with both axes labeled.

Coordinate Grid With Axes Labeled

Illustration of an xy grid/graph. It is the Cartesian coordinate system with both axes labeled.

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system with both axes labeled.

Coordinate Grid With Axes Labeled And Grid Lines Shown

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system with both…

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system with both axes labeled.

Coordinate Grid With Axes Labeled And Grid Lines Shown

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system with both…

Method of setting a planimeter so that it reads the mean height of a graph.

Setting Planimeter

Method of setting a planimeter so that it reads the mean height of a graph.

"The curve of sines, in which the abscissas are proportional to an angle, and the ordinates to its sine." -Whitney, 1889

Sinusoid or Sine Wave

"The curve of sines, in which the abscissas are proportional to an angle, and the ordinates to its sine."…