дополнительная клавиатура(A calculator-style block of keys, usually at the right side of a keyboard, that can be used to enter numbers); клавиатура(The on-screen representation of the phone keypad or dial pad on the device)
цифровая клавиатура(A keypad is a block or pad of buttons set with an arrangement of digits, symbols, or alphabetical letters. Pads mostly containing numbers and used with computers are numeric keypads.
A computer keyboard usually has a small numeric keypad on the side, in addition to the other number keys on the top, but with a calculator-style arrangement of buttons that allow more efficient entry of numerical data. This number pad (commonly abbreviated to numpad) is usually positioned on the right side of the keyboard because most people are right-handed. • A keypad is a number pad (commonly abbreviated to numpad) with a calculator-style arrangement of buttons that allow more efficient entry of numerical data and basic arithmetic calculations than the row of number keys along the top of the keyboard; it is usually positioned on the right end of the keyboard because most people are right-handed; it is NOT for the entry of special characters or symbols Gruzovik
wikipedia.org); дополнительная цифровая клавиатура
wikipedia.org); дополнительная цифровая клавиатура