- Use keyboard or calculator buttons!
- Letter c works as calculator button C; Delete as CE; n as ±; s as √; r as 1/x.
- Input numbers are limited to ten digits before decimal point and five digits after.
- To calculate x percent of y simply enter x%y.
- If new value is not entered, the value currently displayed in the input (lower) part of the calculator screen is used in it's place.