Geometry Pad+ vs EveryCircuit

With Geometry Pad you can create fundamental geometric shapes, explore and change their properties, and calculate metrics. The shapes are displayed on a scrollable and zoomable workbook with a rectangular coordinate system. The following tools are built into the application: - Point, angle, line, ray, segment, perpendicular bisector, tangent, triangle, quadrilateral, polygon, regular polygon, arc, sector, circle, ellipse, parabola, hyperbola. - Tools to create medians, altitudes and bisectors in a triangle. - Tools to create special triangles and quadrilaterals: right, isosceles, equilateral, square, rectangle, parallelogram and rhombus. - Two additional ways to create an ellipse: by center, end of a major axis, and a point on the ellipse; by focus points, and a point on the ellipse. - Compass tool to plot arcs with an easily adjustable center and radius. - Pencil tool to draw freehand annotations. - Text annotations and labels with mixed-in metrics such as length, angle, perimeter, equation, etc. - Transformation tools: rotation, reflection, enlargement, translation. - Create lines and triangles with predefined parameters such as equation of a line, and angles or sides of a triangle. - Insert images into the document. Each shape has a set of customizable properties such as color, width, background, etc. Shape metrics are automatically calculated and presented along with shape properties. Some of them are editable such as point location, line length, circe radius, etc. Snapping is deeply integrated into the application. Snap-to-grid and snap-to-objects allow for precise constructions. Additionally, lines can snap to parallel, perpendicular and tangent lines. Snapping can be easily turned on/off in the quick snapping settings window. Documents can be saved to your device, iCloud or to Dropbox. Export formats include PDF and image. Additionally, PDF documents can be opened within the app, annotated using any of the built in tools and exported as PDF again. Your suggestions are welcomed and appreciated. Just select Feedback under the app menu and write us an e-mail.

All joking aside, this time you will understand how electronic circuits work. Build any circuit, tap play button, and watch dynamic voltage, current, and charge animations. This gives you insight into circuit operation like no equation does. While simulation is running, adjust circuit parameters with analog knob, and the circuit responds to your actions in real time. You can even generate an arbitrary input signal with your finger! "This app takes design to a whole new level of interactivity" - Design News EveryCircuit is not just an eye candy. Under the hood it packs custom-built simulation engine optimized for interactive mobile use, serious numerical methods, and realistic device models. In short, Ohm's law, Kirchhoff's current and voltage laws, nonlinear semiconductor device equations, and all the good stuff is there. Growing library of components gives you freedom to design any analog or digital circuit from a simple voltage divider to transistor-level masterpiece. Schematic editor features automatic wire routing, and minimalistic user interface. No nonsense, less tapping, more productivity. Simplicity, innovation, and power, combined with mobility, make EveryCircuit a must-have companion for high school science and physics students, electrical engineering college students, breadboard and printed circuit board (PCB) enthusiasts, and ham radio hobbyists. Join EveryCircuit cloud community to store your circuits on cloud and access them from any of your mobile devices. Explore public community circuits and share your own designs. EveryCircuit is free to download and use. There is an option to purchase the Full Version of EveryCircuit that allows you to build and simulate large circuits, save unlimited number of circuits, store them on cloud, and sync between your devices. It is available via a one time in-app purchase for $14.99. EveryCircuit privacy policy and terms of use: https://everycircuit.com/privacypolicy https://everycircuit.com/termsofuse Analyses: + DC analysis + AC analysis with frequency sweep + Transient analysis Features: + Thousands of public community circuits + Animations of voltage waveforms and current flows + Animations of capacitor charges + Analog control knob adjusts circuit parameters + Automatic wire routing + Oscilloscope with I-V curves and stack mode + Single play/pause button controls simulation + Saving and loading of circuit schematic + Mobile simulation engine built from ground-up + Shake the phone to kick-start oscillators + IEC and ANSI circuit component symbols + Intuitive user interface + No Ads Components: + Sources, signal generators + Controlled sources, VCVS, VCCS, CCVS, CCCS + Resistors, capacitors, inductors, transformers + Voltmeter, amperemeter, ohmmeter + DC motor + Potentiometer, lamp + Switches, SPST, SPDT + Push buttons, NO, NC + Diodes, Zener diodes, light emitting diodes (LED), RGB LED + MOS transistors (MOSFET) + Bipolar junction transistors (BJT) + Ideal operational amplifier (opamp) + Digital logic gates, AND, OR, NOT, NAND, NOR, XOR, XNOR + D flip-flop, T flip-flop, JK flip-flop + SR NOR latch, SR NAND latch + Relay + 555 timer + Counter + 7-segment display and decoder + Analog-to-digital converter + Digital-to-analog converter