What it means
The left side is smaller than the right side or equal to it. The open end of the sign faces the larger side.
Read aloud in real formulas
0 ≤ P(A) ≤ 1
Aethel says
0 is less than or equal to P of A, is less than or equal to 1
a probability lies between 0 and 1
P(|X − μ| ≥ kσ) ≤ 1/k²
Aethel says
the probability that the absolute value of X minus mu, is greater than or equal to k sigma, is less than or equal to 1 over k squared
Chebyshev's inequality
Typing it
- LaTeX
- \leq
- Unicode
- U+2264
Formulas that use it
Questions
How do you say ≤ out loud?
It is usually read “is less than or equal to”, and also “is at most”.
What does ≤ mean in maths?
The left side is smaller than the right side or equal to it. The open end of the sign faces the larger side.
How do you type ≤?
In LaTeX, write \leq. Its Unicode code point is U+2264.