What is Infinity (U+221E)?

Infinity is the Unicode character U+221E (decimal 8734). It belongs to the Math Symbol category in the block. HTML entity: ∞

What is Proportional To (U+221D)?

Proportional To is the Unicode character U+221D (decimal 8733). It belongs to the Math Symbol category in the block. HTML entity: ∝

Compare the infinity symbol and proportional to sign -- two mathematical symbols with curved shapes that serve different algebraic purposes.

Infinity

U+221E

Disalin!

Proportional To

U+221D

Disalin!