This app is called The Calculator, and its use of the definite article is fully justified here since this is one of the most comprehensive calculator apps you could possibly find. It’s available ...

His post starts with a screenshot of the iOS calculator app with a mildly complex equation. The app’s answer is wrong. Android’s calculator does better on the same problem.

Here are the best Android calculator apps like iPad Math Notes feature. Solve complex math problems with handwriting input, step-by-step solutions, and interactive graphs.