Calculator Free for Windows 10 is a very basic free app. It has the essential math functions of addition, subtraction, multiplication, division, and percentage. It can also handle decimals and negative numbers. The app performs better than the built-in Windows calculator is the customizable appearance, with four color themes to choose from.4/ Jun 07, · Step 1: Open Settings. Navigate to System > Apps & features. If you are on Windows 10 Creators Update (build or later), you need to navigate to Settings > Apps > Apps & features. Step 2: Look for the Calculator app entry. Select the Calculator app by clicking or tapping on it.
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