Double-Struck Capital R
ℝ
UNICODE
U+0211DHEX CODE
ℝHTML CODE
ℝHTML ENTITY
ℝCSS CODE
\211D // html example
<span>ℝ</span> // css example
span {
content: "\211D";
} ℝ
U+0211Dℝℝℝ\211D // html example
<span>ℝ</span> // css example
span {
content: "\211D";
}