Triangle Calculator Pro

4.4
114 reviews
1K+
Downloads
Content rating
Everyone
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About this app

Ad free version!

Solve triangles by entering two sides and one angle, two angles and one side or three sides to find remaining values as used in trigonometry.

Angles are available in degrees, radians, grads or degrees with minutes and seconds.

The ▲² button shows second solution if one exists (ambiguous case).

The free version has over 1 million downloads!

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Updated on
Jul 31, 2020

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
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No data collected
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4.4
114 reviews
Cornpop
November 10, 2021
Simple to use, accurate, and easy to configure. Works great for construction, site surveying, etc. Just choose between right triangle or isosceles triangle, then fill in the known values, hit the calculate button and the results are given. To set the calculator outputs, hit the three dots at the top of the screen. Precision: how many digits output (0, 1, 2, 3, 4, or 5). Angle Units: (decimal degrees, rad, grad, deg-min-sec).
3 people found this review helpful
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Trevor Perks
May 27, 2022
Hi All. I needed to work out metal sizes for some adjustable solar panel brackets. This app made it easy, thanks. I would like the result to display the formula "for an added feature" if that would be possible, to help my old brain cells remember how I used to do calculations like this. 👍😃
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A Google user
December 13, 2019
UI is nice, but for a paid product, this thing rounds off to two digits after the decimal, which is not an acceptable rounding error for me. If I input 3-4 digits after a decimal, I need the answer to not be rounded off to two places, since I'm working with engineering prints and need a precise triangle solving app in the field.
19 people found this review helpful
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November31
March 30, 2020
The precision can be changed in the menu.

What's new

Fixed input to allow for decimal comas. Forced default font.