One of my undergrad students just asked why the exchange rate notations that I use in my class are different from what he found in the financial press. I was happy for the question. At least one ...

In a recent write-up, [David Delony] explains how he built a Wolfram Mathematica-like engine with Python. Core to the system is SymPy for symbolic math support. [David] said being able to work with ...

MANY writers have endeavoured to devise a simple method of describing the various forms of kinship, which, when expressed verbally, are cumbrous and puzzling in the highest degree. I suspect, however, ...

Answer: 888 + 88 + 8 + 8 + 8 = 1,000. This is the kind of math riddle you can work out with times tables, or by simple logic. First, get as close to 1,000 as you can (888). From there, it’s easy to ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Abstract: Recently, the posit number system has demonstrated a higher accuracy over standard floating-point arithmetic for many scientific applications. However, when it comes to implementing ...

106 Construct Binary Tree from Inorder and Postorder Traversal Python Medium 105 Construct Binary Tree from Preorder and Inorder Traversal Python Medium 103 Binary Tree Zigzag Level Order Traversal ...

Here we make explicit the connection between subscript notation in mathematics and indices in Python. In mathematics: Say we have a collection of objects X. We can refer to individual elements of the ...

Since 2005 Plastic Crimewave (aka Steve Krakow) has used the Secret History of Chicago Music to shine a light on worthy artists with Chicago ties who’ve been forgotten, underrated, or never noticed in ...

While we have the Python built-in function sum() which sums the elements of a sequence (provided the elements of the sequence are all of numeric type), it’s instructive to see how we can do this in a ...