Units App 與 Vector Gem 使用情況與統計

Convert between many units from several categories and different unit systems (metric, imperial, ...). Features: - categories: length, temperature, capacity, weight, energy, power, pressure, area - access previous conversions from the history list - categories have different colors (in the history as well) - flip units - send calculations by email - support for the iPhone 6 and 6+ - support for the iPad multitasking (split view..)

Apple App Store
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文獻參考

商店排名

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Vector Gem

Vector Gem allows the input and three-dimensional display of vectors, lines and planes. The input supports different forms (e.g. linear equation, vector form, normalized form, ...) Vector Gem can display the starting point, the direction vectors and the normalized vector for each plane and calculate the intersection points with the axes. For lines it can display the starting point and the direction vector and calculate the points of intersection with the coordinate planes. The color can be selected for each object along with different settings for the display.