Trigonometry Pro
Solve Triangles & Learn Trig
USD 0.99 · Designed for iPad. Not verified for macOS.
Solve any triangle instantly. Learn the unit circle, Pythagorean theorem, and more.
Trigonometry Pro is the essential toolkit for students, engineers, and anyone who works with triangles and angles.
Solve any triangle — instantly
Enter any two known values and let the app calculate the rest. Whether you know two sides, one side and an angle, or any other combination, Trigonometry Pro finds the complete solution.
Right Triangle Calculator
• Solve using any two known values: sides (a, b, c) or angles (α, β)
• Uses sine, cosine, tangent, and the Pythagorean theorem
• Clearly shows which formula was applied
**General Triangle Calculator**
• Supports all cases: SAS, ASA, SSA, AAS, and SSS
• Uses the Law of Sines and the Law of Cosines
• Automatically detects and handles the SSA ambiguous case — shows both solutions when two valid triangles exist
Theory & Learning
• Animated Pythagorean proof — watch a² + b² = c² come to life step by step
• Interactive unit circle — explore sine, cosine, and tangent at any angle
• Right triangle reference with all key formulas
Settings
• Works in degrees or radians — switch instantly in Settings
• Adjustable decimal precision (2–6 places)
• Calculation history to review your recent work
• Share results directly from the app
Trigonometry Pro is built for iOS 26 with a pure SwiftUI interface and beautiful Liquid Glass design - Powerful, elegant trigonometry.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Bo Kalvslund, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Bo Kalvslund
- Size
- 12.2 MB
- Category
- Education
- Compatibility
Requires iOS 26.4 or later.
- iPhone
Requires iOS 26.4 or later. - iPad
Requires iPadOS 26.4 or later. - Mac
Requires macOS 26.4 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.4 or later.
- iPhone
- Languages
English and 7 more
- English, Danish, German, Italian, Japanese, Portuguese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © Bo Kalvslund
