良い
なかなか便利
便利
見えやすいし、細かい設定が出来るのがうれしい
便利なんだけど
数値を入れる前提である電卓なのに、キーボードが文字変換にいちいち戻るのはなんとかしないと、イライラする。
三角形が数値により変形！！
三角形が求積に合わせて変形してくれるのでわかりやすい。
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About
Calculate the area of a triangle using Heron's formula with real-time graphical updates. Easily adjust side lengths and view results instantly, making it ideal for on-site construction work. Customize decimal places and rounding methods for precise calculations.
✓Heron's formula for triangle area
✓Real-time graphical updates
✓Intuitive side length adjustment
✓Customizable decimal places
✓Multiple rounding options
✓Ideal for construction sites
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What's New in Real
2.0.2
January 26, 2026
Improved operational stability.
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FAQ
Does Heron Calculator have ads?
Yes, Heron Calculator contains advertisements. This allows the app to remain free for users.
What is Heron Calculator used for?
Heron Calculator is used to divide the area of a triangle using Heron's formula. It provides real-time graphical updates as side lengths are adjusted, making it useful for on-site calculations.
Can I customize the decimal display in Heron Calculator?
Yes, you can change the number of decimal places displayed in Heron Calculator. The app also offers various rounding options like rounding up, rounding down, rounding off, and JIS rounding.
What devices is Heron Calculator available on?
Heron Calculator is available on iPhone, iPad, and iPod. It is designed for iOS devices.
How often is Heron Calculator updated?
The latest version of Heron Calculator is 2.0.2, last updated on January 26, 2026. The developer plans various other updates upon request.
What is the age rating for Heron Calculator?
Heron Calculator has an age rating of 4+, indicating it is suitable for children and adults.
Can Heron Calculator be used offline?
The provided data does not specify if Heron Calculator can be used offline. However, its core functionality of calculation and graphical display is likely to work without an internet connection.
