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Trigonometry. Interactive unit circle.Trigonometric formulas.
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Barometer for devices with or without a barometer sensor. Includes altimeter.
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Use your phone's sensors to assist with wilderness treks
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A simple tool for Compass, Speed and GPS Accuracy
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Unit Converter - Free App - Convert Metric to Imperial - Currency Converter
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GPS Speedometer & Odometer app to track speed, distance & route on the map
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App calculates flat pattern cone parameters for sheet metal fabrication
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Measure Angles - Bubble Level, Clinometer, Protractor, Spirit Level, Pitch Gauge
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You can convert GPS coordinates into degrees, UTM, MGRS and address.
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An ultra-practical measuring toolbox: ruler, Bubble Level, Angle Meter
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Pipefitter Construction Calculator and Resource Tool
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Peakview is an application for peak identification.
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Full screen ruler app with inch and millimeter units. NO POP-UP ADs.
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Curious about your current location and elevation? Check it out with our app.
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Electronics in a nutshell
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Navigation calculator for chart plotting, rhumb line and great circle problems
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Land area measurement used for measuring area and distance on map
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The long-time #1 utility app in iPhone app store now comes to Android market!
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A Resistor SMD code calculator for 4 different code types. Get instant results.
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Advanced Astronomy Forecasting for North American Astronomers