Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Delve into mechanical principles, mechanisms, kinematics, and dynamics while mastering fundamental theories and methods essential for mechanical engineering, emphasizing practical problem-solving and innovative thinking.
掌握数据结构的逻辑、存储和操作,从线性表到图形结构,学习经典算法如排序和查找,培养解决复杂工程问题的能力和批判性思维。
Discover the fundamental principles of education, exploring its historical evolution, societal impact, and role in human development while mastering effective teaching methodologies and professional growth.
Delve into the foundational principles of Marxist philosophy, political economy, and scientific socialism, exploring its worldview, methodology, and practical applications in understanding societal development.
探索外国文学发展史,从古代至当代的文学思潮、流派及经典作品。通过原典阅读和深入分析,培养文学鉴赏能力,理解中外文化差异,提升人文素养和创新思维。
Explore the fascinating world of linguistics through Q&A format, covering phonology, syntax, semantics, and language acquisition while developing critical thinking and cross-cultural communication skills.
本课程针对Unity初学者的特点和需求,本着“起点低,终点高”的原则进行教学设计,力求以实用为宗旨,基于企业级项目规范设计的案例来贯穿讲解,培养游戏作品的设计能力。
Master fundamental concepts of analytic geometry, from vectors and coordinates to conic sections. Build spatial reasoning skills and learn to solve geometric problems using analytical methods and vector operations.
Master 概率论与数理统计的基础理论和应用,从随机事件、概率分布到统计推断,掌握数据分析和预测的科学方法,建立现代数学思维框架。
Delve into fundamental principles of inorganic and analytical chemistry, covering atomic structures, molecular bonds, chemical reactions, and classical analytical methods for practical applications.
本课程内容采用模块化专题化创新设计,带领大家探寻物质奥秘,解密微观世界运行规则,了解现代科技应用,一同感受“诺贝尔奖”和“科技创新”的盛宴,玩转“原宇宙”。
掌握基因工程核心实验技能,从仪器使用到载体构建,系统学习转化和鉴定等关键操作步骤,提升实验操作能力。
Discover the principles and applications of enzyme engineering, from fermentation and molecular modification to immobilization techniques and industrial applications across medical, food, and environmental sectors.
Dive into advanced calculus concepts including vector algebra, multivariable calculus, multiple integrals, and infinite series with practical applications and interactive exercises.
Dive into advanced inorganic chemistry concepts, from rare gas compounds to lanthanides, while developing critical thinking and exploring modern scientific breakthroughs in elemental chemistry.
Get personalized course recommendations, track subjects and courses with reminders, and more.