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Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos y grupo de chat. Fundamentos, frontend, backend, testing, IA...

Keep Formula is a simple app to make your calculations easier!

Food Timeline: food history reference & research service

Imperial War Museums explores conflict from WW1 to the present day. Visit one of our five sites or explore our archives to discover real stories of modern war.

A comprehensive set of free online calculators and free online converters for your everyday calculations. ➤ Finance calculators, business calculators, health calculators, date and time calculators, mathematical, geometrical and trigonometry calculators, and so on. Converters between imperial and metric units, as well between units of the same system, but different scale. Well-sourced calculators and converters, formulas, explanations and advice.

Solve matrix problems with comments.

История культуры в лекциях, подкастах и текстах

Archive of historical technological pessimism

《游戏编程模式》中文版.

Online WYSIWYG Mathematics Editor (Equation Editor), fast and powerful Editing features, inputting Normal text, Math symbols, and drawing Graph/Diagram in one single editor, help writing Math Document much easier. Export to Latex, Tikz, SVG, or Image (PNG).

The Apple Wiki is a community effort to document Apple's amazing devices and software.

Matrix addition, multiplication, inversion, determinant and rank calculation, transposing, bringing to diagonal, row echelon form, exponentiation, LU Decomposition, QR-decomposition, Singular Value Decomposition (SVD), solving of systems of linear equations with solution steps

Every student in every school deserves the opportunity to study computer science.

包含: Java 基础，面经手册，Netty4.x，手写MyBatis，用Java实现JVM，重学Java设计模式，SpringBoot中间件开发，IDEA插件开发，大营销抽奖系统，Java 实战项目训练，字节码编程...

慕课网（IMOOC）是学习编程最简单的免费平台。慕课网提供了丰富的移动端开发、php开发、web前端、html5教程以及css3视频教程等课程资源。它富有交互性及趣味性，并且你可以和朋友一起编程。

Easily create mathematical equations, formulas and quizzes. Intuitively type or handwrite, with no tricky math code to learn.

从感兴趣、有信心到享受成就感——多年来致力于发展让孩子主动、家长放心的信息学教育。智能教育技术驱动,专注学习的科学,助力孩子成长为国家科技高质量自立自强需要的人才。

Free computer algebra system