calculator.exe is a program which is probably NOT a virus or malware. So, if calculator.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your PC is clean, it is still recommended to purchase a well-known antivirus with a good track record, in order to yourself yourself against threats.
The default name and path where this program is stored is
C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe.
The MD5 checksum for this file is 94675eb54ac5daa11ace736dbfa9e7a2.
This application does NOT operate as a Windows service. This is usually a good sign.
64-bit code has been detected. This application can use the full power of a current PC processor.
calculator.exe appears to have visible windows. This means it doesn't work in a kind of stealth mode. Its activity is clearly shown to the user.
A digital signature is missing from this program. The maker did not sign it. This is usually bad.
This application does NOT have an uninstall routine set up in registry.