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A curated list of awesome mathematics resources.

Complete online math courses for test prep, tutoring, and homeschooling. Get the exact Math Help programs you need to conquer math and pursue your dreams.

Math online step by step calculators and solvers for problems including polynomial equations, rational expressions, systems of equations, matrices, complex numbers, and analytic geometry.

MusicStaff.com is a free directory of over 10,000 music teachers worldwide. Use our powerful search tools to find the right teacher nearby.

The encyclopedia of natural numbers, random number generators, Roman numbers, prime numbers etc. All about natural numbers: basic and advanced mathematics, computing, codes and images, writing and naming in other languages, interesting data (numerology, history, culture, philosophy, biology, physics, chemistry, metaphysics, religion, distances, heights, times, crashed planes, games, ...)

A free and open source software to solve partial differential equations (PDE) using the Finite Element Method (FEM)

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...

High precision scientific calculator with full support for physical units.

Generate your next Twitter bio in seconds.

Animation engine for explanatory math videos.

Reaction mechanisms, procedures, and details for many commonly encountered organic chemistry reactions.

‎** More than 5,000,000 musicians are now using the Piascore! ** ** iPad Pro, iPhone 15 Ready! ** "Piascore" is an iPad/iPhone application for browsing digital musical scores. Piascore's concept is "VIEWING MUSICAL SCORE FROM EVERYWHERE - ANYWHERE, ANY TIME." Here comes an application that solves E…

Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!

Download SciDAVis for free. SciDAVis is a user-friendly data analysis and visualization program primarily aimed at high-quality plotting of scientific data. It strives to combine an intuitive, easy-to-use graphical user interface with powerful features such as Python scriptability.

Desmos Studio 提供全球通用的免费绘图、科学、3D 和几何计算器。访问我们的工具，与我们合作，或探索示例以获取灵感。

Download NoteTrainer PRO for free. Trains quickly score reading and piano playing (MIDI-keyboard) The main purpose of NoteTrainer PRO is developing the ability of quickly reading and playing notes "at sight." The program generates a random sequence of notes in the range selected by the user, and controls the speed and accuracy of their playing. Instead of random notes can be loaded not very complex melodies in MusicXML format and practice by studying them.

This online unit conversion tool will help you convert measurement units anytime and solve homework problems quickly using metric conversion tables, SI units, and more.

Transcribe quickly, easily and accurately with our free, high-quality tools.

Feishu Docs - A new way to create and share content

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A simple, immediate and fast unit converter!

Latest generation of Audiveris OMR engine.

OneConvert is a service that helps in your work, study and business. Our functionality allows to convert PDF files and Units of Measure safely and free.