calculatorapp.exe is a program which is most likely NOT a virus. So, if calculatorapp.exe is on your system, it is most likely ok, and will NOT be a cause for concern. Even if your system is virus-free, it is still recommended to use a good antivirus with a good detection rate, in order to yourself your system against viruses and malware.
Usually, the default name and folder where this application is stored is
C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_11.2502.2.0_x64__8wekyb3d8bbwe\CalculatorApp.exe.
The MD5 fingerprint for this executable is 199804569ec82f2d0d63a2f00d6627e4.
This program does NOT run as a Windows service. This is usually a good sign.
This is a 64-bit executable. It runs using the full capacity of nowadays' computer processors.
The description stored in the exe is Calculator.
File version stored as a property 11.2502.2.0.
Publisher Microsoft Corporation.
Legal copyright notice Copyright © Microsoft Corporation. All rights reserved..
calculatorapp.exe appears to have a visible user interface. This means it doesn't operate in a kind of invisible mode. Its operation is clearly shown to the user.
The digital signature is missing from this program. The publisher did not bother to sign it. This is probably bad.
This executable does NOT have a removal routine set up in registry.