Unit Converter vs Beautiful Trigonometry

Unit Converter converts any value into the unit you need – instantly. Over 850 units in 96 categories, from everyday measurements to science and engineering, in a clean, modern app for iPhone, iPad, iPhone Duo and Apple TV. Type a number and see the result right away – no searching online for a converter, no math on paper. Perfect in the kitchen, when traveling, shopping, at school, in college and at work. FAST AND SIMPLE • Results appear as soon as you enter a value • Swap units with one tap • Quick Conversions – your value in every unit of the category at once • Copy and share results • Search categories and units YOUR CONVERSIONS AT HAND • Favorites – your most-used unit pairs, one tap away • History – return to earlier conversions anytime 96 CATEGORIES Free: length, mass, volume, speed, time, pressure, energy, digital data, angle, frequency, density, voltage, capacitance, volume flow rate, sound level and acceleration. Premium adds 80 more, including temperature, area, power, force, torque, fuel consumption, electric current, resistance, electric charge, data transfer, illuminance, typography, radiation activity, molar mass, dynamic viscosity and many other scientific and engineering units. You can also open any Premium category once by watching a short ad. OPTIMIZED FOR IPHONE DUO • Folded – the full converter on the outer screen, just like on a regular iPhone • Unfolded – category list and converter side by side, just like on iPad • Works in portrait and landscape, and the layout adapts on its own as you fold or unfold • Hide the list with one tap to give the converter the whole screen ON EVERY DEVICE • iPad – category list and converter side by side • Apple TV – conversions on the big screen • Light, dark or automatic appearance • Keyboard haptics you can turn off • 33 languages UNIT CONVERTER PREMIUM • All 80 advanced categories • No ads • Works offline – convert anywhere, even on a plane • History and favorites synced across your devices via iCloud • Family Sharing – share Premium with up to five family members at no extra cost • Yearly subscription or one-time lifetime purchase – Premium unlocks automatically on all your devices Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.developerapp.pl/privacy-unitconverter.html

See how trigonometry works. Move an angle. Watch a triangle change. Explore the unit circle. Beautiful Trigonometry turns abstract formulas into interactive pictures you can understand. LEARN BY EXPLORING Adjust sliders and see how angles, sides, values and graphs respond instantly. Follow the connection between geometry and the formulas you learn at school. FIVE COMPLETE LESSONS, FREE • Acute Angle Trigonometry: explore sine, cosine, tangent and cotangent in a right triangle. • Full Circle Trigonometry: see values, coordinates and signs across 360°. • Triangle Area with Sine: discover how two sides and an angle determine area. • Law of Cosines: calculate a missing side and connect the rule to Pythagoras. • Trigonometric Identity: understand sin² α + cos² α = 1 using a triangle and the unit circle. GO FURTHER WITH PRO • Explore and compare graphs of sine, cosine, tangent, cotangent, secant and cosecant. • Change function parameters and see how graphs transform. • Unlock six advanced categories in the trigonometric formula library. • Reveal the Same Area Pair visual helper in the triangle area lesson. Core relationships and Pythagorean identities remain free in the formula library. You can preview premium content before unlocking it. ONE PURCHASE. NO SUBSCRIPTION. Trigonometry Pro is a one-time in-app purchase that unlocks all Pro features in this app. Made for high-school students discovering trigonometry, teachers explaining it visually, and curious learners revisiting the basics. Explore an angle. Discover the connection. Make sense of trigonometry.