Trigonometry Help Lite

Armchair Engineering · Education

4.6 779 ratings Free

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Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 4.66 → 4.65

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 80% 627
4★ 12% 91
3★ 3% 25
2★ 1% 11
1★ 3% 25

Screenshots

About

Trig Help is a simple triangle calculator that enables you to quickly and easily find unknown angles & sides of any right-angled triangle. Features Include: - Accurately solve right-angled triangles - Workings view, so you can see the math behind the solutions (requires optional upgrade) - View a scale drawing of your solved triangle - View a handy set of basic trig formulae - Enter angles in radians, decimal degrees or degrees, minutes, seconds - Select your preferred number of decimal places What two App Store reviewers had to say about Trig Help: "I could never remember those simple formulas. I always had to dig out my text books from MANY YEARS ago to refresh my memory. THIS LITTLE APP IS A DELIGHT TO USE! I love it! Even my engineer friends are impressed. THANKS!" 5 Stars "Easy to use and accurate with high degree of precision. Would recommend to any toolmaker." 5 Stars Also available for macOS on the Mac App Store.

What's new · 4.0.6

- Bug fixes

Details

ReleasedJun 2019
UpdatedDec 2019
Version4.0.6
Size18 MB
RequiresiOS 11.0 or later
Age rating4+
LanguagesEnglish, French, German
PriceFree
Categories EducationUtilities
Bundle IDcom.davidcaddy.trigonometryhelpfree