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Trigonometry calc

Trigonometry calc

Calculations on right triangle

2 ratings
6 reviews
With Ads
📚 Education
🔧 Utilities
Free
In-App PurchasesWith Ads

Details

Released
November 4, 2017
Updated
January 23, 2026

Features

Developer

Bo Kalvslund
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Trigonometry calc screenshot #1 for iPhone
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Trigonometry calc screenshot #9 for iPhone
iphone
ipad
🧾$0.99
In-App Purchase↘︎
⭐6
Reviews↘︎
📝5+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
❓8 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

✓Calculate side lengths
✓Calculate angles
✓Pythagorean Theorem
✓Trigonometry functions
✓Learn simple trigonometry
✓General triangle calculator (premium)
Show original description

What's New in Trigonometry calc

2.4

January 23, 2026

• Trigonometry Premium – Remove all ads forever with a single purchase • General Triangle Calculator – Solve any triangle with SAS, SSA, and ASA methods (Premium feature) • Full English language support • Performance improvements and bug fixes

More
2

Subscriptions & In-App Purchases

$0.99

Premium

Trigonometry Premium – Remove all ads

User reviews

Most RecentHighest RatedLowest Rated

Not quite there

This is a nice and simple app to use but the font sizes are far too small to see the results clearly. This makes the app almost useless!
Oolderkiwi

N

Deleted within 5 seconds after the first add popped up
N1Nilaw 1

Response from developer

Sorry to hear that. I have changed the setup so it should be more user friendly. Regards Bo

3 ads fo one calculation...

Too much ads for simple calculations.
ААir

Response from developer

Thanks for your feedback. I have changed the frequence. Hope this is better. Regards Bo.

Ilegible results.

Can’t read answers with white type on yellow background.
EEduardojuan

Response from developer

I’ll change the app to support Dark mode- Thanks! Regards Bo Update: now I have changed the layout. The text is readable now. /Bo

Trig is not the problem

SSS
AAA
How about SAS
Just want a quick visual for the field. I give you a a length and an angle and you give me the hypotenuse. Well, this program doesn't do that.
SSDBrown

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FAQ

What can Trigonometry calc calculate?

Trigonometry calc can calculate side lengths and angles in right-angled triangles using the Pythagorean theorem and various trigonometry functions. The premium version extends this to solve any triangle.

Is Trigonometry calc free to use?

Yes, Trigonometry calc is free to download and use. It does contain advertisements, and an in-app purchase is available to remove ads and unlock advanced features.

Does Trigonometry calc have ads?

Yes, Trigonometry calc contains advertisements. Users can opt to purchase Trigonometry Premium to go ad-free permanently.

What devices is Trigonometry calc available on?

Trigonometry calc is available on iPhone, iPad, and iPod devices.

How often is Trigonometry calc updated?

The latest version of Trigonometry calc is 2.4, last updated on January 23, 2026. This indicates regular updates to improve functionality and features.

What is the user rating for Trigonometry calc?

Trigonometry calc has a rating of 3.0 stars based on 2 ratings. This suggests a mixed but generally positive reception from its user base.

What age rating is Trigonometry calc?

Trigonometry calc has an age rating of 4+, making it suitable for a wide range of users, including younger learners.

Can Trigonometry calc solve general triangles, not just right triangles?

The free version of Trigonometry calc is designed for right-angled triangles. The advanced General Triangle Calculator, which solves any triangle (SAS/SSA/ASA), is unlocked via an in-app purchase.