Total toe measurement of car

It is an application that calculates the total toe of the car from the tire size and azimuth angle sensor mounted on the smartphone.
It is an application that are intended to be a simple measurement of maintenance / adjustment of suspension.

Azimuth can be measured from two and "tilt sensor" and "acceleration sensor + geomagnetic sensor".

■ How to use
- Select the sensor to be used for the azimuth angle measurement.
- I will measure the azimuth angle of the left and right tires.
- I want the tire size.
- A calculation result of a total toe is indicated by a calculation button.
When a calculation result is minus, toe-in and the plus occasion will be toe-out.

■ Note
And accuracy of various sensors is dependent on the surrounding environment and performance of the device mounted on the smartphone.
- This application is recommended the introduction of measurement performance test after the azimuth angle.
- I need your help at your own risk use of this application.