A nerdy thought... The cumulative standard normal probability density function curve looks like an integral symbol… that's kind of interesting because the cumulative probability density function is typically derived by integrating the probability density function. See http://en.wikipedia.org/wiki/Normal_distribution
Blog about science and technology, especially software development and space ships. ;) Blake is a software developer who specializes in building inventory management and project management solutions for small or mid-sized businesses. He also spends a fair amount of time on embedded software and database research.