Ключевые слова: analog, background, block, close, closeup, coordinate paper, copy space, copyspace, curves, data, datum, details, drawing, education, engineering, experimental, fine, graph, graph paper, grid, guides, ink, laboratory, line, macro, mathematics, millimeter, nobody, notebooks, notes, numbers, one, pen, pendulum, plot, plotted, plotting, printed, record, rectangular, regular, scale, selfrecording, sensor, settings, small, square, squared paper, use, writing,