Free Online Matrix Calculator
matrix.reshish.com is the most convenient free online Matrix Calculator. All the basic matrix operations as well as methods for solving systems of simultaneous linear equations are implemented on this site. For methods and operations that require complicated calculations a 'very detailed solution' feature has been made. With the help of this option our calculator solves your task... Continue Reading →
Satan in Christian Theology
Satan, a personification of evil as an independent force with its own cause and independent of God’s actions, was apparently never taken seriously by any major Christian theologians. After all, an old theological question is: how can there be evil in a world created by an all-powerful, all-good God? If God created evil (and allows... Continue Reading →
St. Augustine on the Love for Worldly Things
Hampton (2017), a contemporary Christian preacher, likely expresses the view of many people like him, by claiming that “instead of keeping our eyes intently focused on Christ, we have one eye on God and one eye on the world. This often leads to distress, chaos and a lack of contentment.” By way of contrast, St.... Continue Reading →
Optimal Plot Structure and Writing Style in Fiction
In discussing the optimal structure of a plot in works of fiction, Aristotle (330 BC/2011, VIII) argues that the different parts of a fictional plot, or any other system/structure, should be joined in such a way that if any one of them is removed or moved the whole thing would be ruined. Hence, anything which... Continue Reading →
Sloppy Weather Forecasts
Reiter et al. (2005), performed large scale analysis of textual weather forecasts, written by human forecasters, and found major differences between individual writers. In turned out that some forecast writers used rare words to express common data. Moreover, different writers were found to attribute different meanings to the same words; and thus, used the same... Continue Reading →
Early Pre-History of Computer Science, and Misconceptions about Mathematicians of the Ancient and Classical Mediterranean Worlds
Some introductory textbooks on computer science contain a range of misconceptions about mathematics and mathematicians of the Ancient and Classical Mediterranean Worlds. For example, Schneider and Gersting’s (2013) textbook suggests (on p. 88) that the mathematicians of Ancient Egypt have made contributions, which, together with contributions from latter mathematicians, ultimately led to the development of... Continue Reading →