Students learn to understand that mathematical expressions use universal symbols, while mathematical knowledge has its origin in many cultures. (australiancurriculum.edu.au)
Like the way flipping a coin represents the dual possibilities of heads or tails, the quantum mathematical expression for computing probabilities of measurement outcomes describes multiple realities existing simultaneously. (sciencenews.org)
Others are through ordinary mathematical expression or through the use of ordinary language involving, for example, colors. (religion-online.org)