The practice files are from Task1 to Task26, and Acute Triangle, Right Triangle, Diamond, VowelCount, Xenzia and Xenzia1. Write a program which adds five numbers using memory variables n1, n2, n3, n4, ...

The template files in this github account are provided to help students with the project outlined in the book. We have found that if students start with these files, that they can generally do the ...

Abstract: Limited by teachers and inherent teaching mode, the teaching effect of practical courses in colleges and universities is limited. With the moocs, small-scale restricted online courses used ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in general, research mathematicians don’t need to think about it ...

Abstract: Based on the analysis of virtual reality technology and practical teaching, combined with the application of virtual reality technology in the implementation of practical teaching, this ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...