A reference site collecting rules of basic algebra with explanations and examples for each equation. It covers rules for arithmetic, exponents and radicals, stating that these simple rules can be used to solve most basic algebra problems.
myPhysicsLab is a site with interactive physics simulations, such as springs, pendulums, roller coasters and collisions. Simulations animate in real time and can be manipulated by dragging objects or changing parameters like gravity. Setups can be shared by URL, and numeric data can be obtained from simulations. The software is open source under the Apache 2.0 License, with source code on GitHub.
KiCad is an open source PCB design and electronics CAD suite for Windows, macOS and Linux. It includes a schematic editor, a PCB editor and a 3D viewer, and is described as forever free. The schematic editor supports hierarchical designs and includes an integrated SPICE simulator and electrical rules checker. Documentation is written and maintained by a volunteer docs team.
LibrePCB is a free, open-source, cross-platform electronic design automation suite for drawing schematics and designing printed circuit boards. It offers a schematic editor and board editor, a semantic library concept, human-readable file formats, and optional library manager and PCB fabrication service. A command-line tool supports headless checks and data exports. It is available in 15 languages and can be used fully offline.
Vittascience provides an online coding environment for learning programming with Arduino, micro:bit, STM32, Texas Instruments and other platforms. It is described as accessible, intuitive and designed for education. The page lets users choose a programming interface and lists programmable boards.
Algodoo is a free physics simulation program that lets users draw and interact with physical systems on a computer, building and exploring by click and drag, tilt and shake, with colors, graphs and forces for visualization. It is available for Windows, Mac and the iPad, and official videos and webinars cover creating educational scenes and other constructions.
Javalab is a site described in its title as covering science simulation, probeware and coding. Its pages include physics and biology simulations, such as a static electricity experiment, a lung model and a magnetic field around a coil.
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myPhysicsLab is a site with interactive physics simulations, such as springs, pendulums, roller coasters and collisions. Simulations animate in real time and can be manipulated by dragging objects or changing parameters like gravity. Setups can be shared by URL, and numeric data can be obtained from simulations. The software is open source under the Apache 2.0 License, with source code on GitHub.
KiCad is an open source PCB design and electronics CAD suite for Windows, macOS and Linux. It includes a schematic editor, a PCB editor and a 3D viewer, and is described as forever free. The schematic editor supports hierarchical designs and includes an integrated SPICE simulator and electrical rules checker. Documentation is written and maintained by a volunteer docs team.
LibrePCB is a free, open-source, cross-platform electronic design automation suite for drawing schematics and designing printed circuit boards. It offers a schematic editor and board editor, a semantic library concept, human-readable file formats, and optional library manager and PCB fabrication service. A command-line tool supports headless checks and data exports. It is available in 15 languages and can be used fully offline.
Vittascience provides an online coding environment for learning programming with Arduino, micro:bit, STM32, Texas Instruments and other platforms. It is described as accessible, intuitive and designed for education. The page lets users choose a programming interface and lists programmable boards.
Algodoo is a free physics simulation program that lets users draw and interact with physical systems on a computer, building and exploring by click and drag, tilt and shake, with colors, graphs and forces for visualization. It is available for Windows, Mac and the iPad, and official videos and webinars cover creating educational scenes and other constructions.
Javalab is a site described in its title as covering science simulation, probeware and coding. Its pages include physics and biology simulations, such as a static electricity experiment, a lung model and a magnetic field around a coil.
