The pocket calculator on the Oppo smartphone has long since ceased to be able to calculate only 1+1, and its further development has already given it some scientific functions such as the angular functions sine (sin), cosine (cos) and tangent (tan).

The calculator can also be used as a currency converter or as a general converter for units of measurement:

Android 10 (ColorOS 7.0)
Step 1:  Open the  Calculator -App
Step 2:  Pull down the  bar  to open the mathematical functions
  1. Open the Calculator-App
  2. Pull down the bar to open the mathematical functions

Oppo Instructions
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