Quick Graph plots high quality 2D and 3D mathematical expressions. Graphs can be shaded with custom colors and in 3D the lighting is enabled to demonstrate the depth of the surface.

You can zoom in and out by pinching the image and pan around with one finger (2D) or two (3D). In both 3D and 2D modes, the graph adapts the evaluation limits when the touch gesture ends, allowing you to focus on specific features of the graph.

The 3D view allows for interactive rotation, translation and zooming by simple touch gestures. In addition, you can change from wireframe to solid visualization, with a simple double tap.

Quick Graph includes a wide variety of mathematical features and coordinate systems: Cartesian, Cylindrical and Spherical systems are supported for 3D equations, 2D equations support both Cartesian and Polar.

All graphs are automatically saved / restored whenever the application is closed / open.

Optional features

Even though all the standard features that made the original Quick Graph a great app are free, you can opt to unlock additional features (via in-app purchase), these features currently include tracing, implicit graphs (2D and 3D), inequalities (2D and 3D), unlimited graphs (limited by the available device memory) as well as all other features that will be included in the future. Upgrading Quick Graph’s additional features will not only enhance your user experience, but it will also support the developing of Quick Graph!

Features

• Support for a wide variety of standard mathematical functions.
• 2D and 3D graphing of explicit equations in all supported coordinate systems, implicit equations(opt) and inequalities(opt).
• Easy to use interface.
• Cartesian/Polar coordinates in 2D.
• Cartesian/Cylindrical/Spherical coordinates in 3D.
• The coordinate system to use is inferred from the expression, there’s no longer need to specify it beforehand.
• Plot multiple equations (up to 6 in the standard version), unlimited (opt).
• Send email with the graphs you’re working on
• Built in library with the ability to include custom equations
• Easily zoom in and out on the graph
• Copy the current graph to the clipboard
• Built-in user manual
• Tracing (trace the coordinates along the graphs) (2D opt)
• Hyperbolic functions / inverses
• Landscape and portrait support

Crazy Drops is a fast-paced addictive game that combines action and puzzle solving. With 12 increasingly difficult levels.

These drops are highly unstable creatures that can multiply out of control and eventually overcome our world. Luckily, connecting 4 or more drops of the same color will make them evaporate!

The game objective is then to keep your game area clear of drops and create chain reactions while at it.

In the spirit of retro style puzzle games like Candy Crisis, Bejeweled, Tetris and Puyo Puyo.

FEATURES

- 3 game modes, including One Player Game, Network Game and Solitaire Game.
- Play against the machine in One Player Game mode.
- Wi-Fi Multiplayer allows 2 players to connect via the same router on a Local Area Network in Network Game mode.
- 12 challenging levels.
- 4 drop styles.
- Colorful graphics.
- Groove along to 12 original music tracks or Listen to your own music while you play.
- Autosaves the current game if the application is interrupted (phone call)

Crazy Drops is a fast-paced addictive game that combines action and puzzle solving. With 12 increasingly difficult levels, 3 levels and one age in the Lite version.

These drops are highly unstable creatures that can multiply out of control and eventually overcome our world. Luckily, connecting 4 or more drops of the same color will make them evaporate!

The game objective is then to keep your game area clear of drops and create chain reactions while at it.

In the spirit of retro style puzzle games like Candy Crisis, Bejeweled, Tetris and Puyo Puyo.

FEATURES

- 2 game modes: One Player Game and Solitaire Game.
- Play against the machine in One Player Game mode.
- 3 challenging levels.
- 1 drop style.
- Colorful graphics.
- Groove along to 3 original music tracks or Listen to your own music while you play.

A small application that simulates lasers going through prisms (objects capable of refracting, reflecting and decompose light) using Snell’s law.

When light travels from one environment to another, it changes velocity modifying its trajectory. The entry angle and the refraction indices of the prism and the environment determine the amount of light reflected and refracted, or if only one them will occur.

Just by moving the light source, you can calculate the entry and exit angles, you can use different materials for the environment or the prism, as well as different shapes.

Useful for those in the fields of physics/optics.