Standard calculator
A simple, intuitive interface for everyday calculations. Easy to use and suited to performing basic arithmetic operations quickly and accurately.
- Arithmetic operations: +, -, ×, ÷
- Sign change and reciprocal: ±, 1/x
- Find 1 percent of a number: %
- Square and root: x², √x
- Clear and delete buttons: Clear, ⌫
- Working with decimal numbers: .
When the undecimal numeral system is selected, this calculator performs calculations in the undecimal numeral system
Undecimal numeral system
Undecimal numeral system — is a positional numeral system with base 11. It is rarely used in the modern world.
The undecimal numeral system uses the following digits: 1, 2, 3, 4, 5, 6, 7, 8, 9, A, 0. Here 0–9 are ordinary digits and A represents the value 10.
- Arithmetic operations: +, -, ×, ÷
- Sign change and reciprocal: ±, 1/x
- Find 1 percent of a number: %
- Square and root: x², √x
- Clear and delete buttons: Clear, ⌫
- Working with decimal numbers: .
When the undecimal numeral system is selected, this calculator performs calculations in the undecimal numeral system
Undecimal numeral system
Undecimal numeral system — is a positional numeral system with base 11. It is rarely used in the modern world.
The undecimal numeral system uses the following digits: 1, 2, 3, 4, 5, 6, 7, 8, 9, A, 0. Here 0–9 are ordinary digits and A represents the value 10.