Help 3.1.10

0, 1, 2, 3, 4, 5, 6, 7, 8, 9 and . — numeric keys

1. Function

Use numeric buttons to enter numbers.

2. How to use

To enter number:

8.2;

To enter complex number:

8.2+i*9.1;

To enter negative number engage − — minus operator:

−8.2;

To enter number in exponential format engage e constant:

−8.2e−9;

3. Support

Complex numbers are supported in professional version of the Librow calculator.