Digit One
Part of Basic ASCII: Alt 33 to 126
On Windows, hold Alt and type 49 on the numeric keypad to insert digit one.
- Alt code
- Alt+49
- HTML entity
- 1
- Unicode
- U+0031
About this symbol
The digits 0 to 9 were developed in India, passed through the Arabic-speaking world, and reached Europe largely through Fibonacci’s book Liber Abaci of 1202, which showed merchants how much easier they made sums than Roman numerals. In much of continental Europe the 1 is written with a long upstroke, which is why the 7 there gets a bar.
Unicode facts
- Official name
- DIGIT ONE
- Type
- Digit
- Unicode block
- Basic Latin
- Unicode group
- ASCII digits
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Basic ASCII: Alt 33 to 126 chart for related characters.