Four fundamental operations and four engineering calculations are possible.
Tap the icon to open the engineering calculator.
Tap the calculation icon to check the history. Tap the keypad icon to close the calculation history panel.
The formulas you have previously entered can be used. You can find the formula you are looking for in the calculation history.
Tap the unit calculator button to convert units. It is easy to convert different types of units such as area, length and temperature.
This software uses Apache License 2.0. The details can be found at http://www.apache.org/licenses/LICENSE-2.0.