What's New
- Hindi and Indonesian translation added
App Description
The unit circle is visualized and explained with calculation steps, diagrams and animations. Enter the radian or the angle α to calculate the results.
Negative values, decimals, fractions and π are supported. The solution is displayed step by step. All calculations are saved in the history. The solution can be shared.
[ Contents]
- all important quantities for the unit circle
- results are also calculated as π-value
- animation to show the angle α
- diagrams for sine and cosine
- history function to save the input
- detailed solution
- negative values, decimal numbers, fractions and π are supported
- no ads!
[ Usage ]
- there are fields for entering values using a special keyboard
- press the check mark button at the bottom right to start the calculation
- if values are missing, all fields will be marked orange
- if the values are wrong, the affected field will be highlighted red
- the entries in the history can be deleted or sorted
- if you select an entry in the history, it will be automatically loaded for the calculation
- the whole history can be deleted by pressing a button
- solutions can be shared
iPhone Screenshots
(click to enlarge)
iPad Screenshots
(click to enlarge)
App Changes
- February 12, 2022 Initial release
- September 15, 2023 New version 1.11
- March 26, 2024 Price decrease: $1.99 -> FREE!
- April 24, 2024 Price increase: FREE! -> $1.99
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