Check numeric order:

For symbolic expressions, the result is given as an inequality:

Select the numbers that are smaller than or equal to 10 in a list:

Use LessEqualThan with numbers:

Use LessEqualThan with numeric Quantity objects:

Use LessEqualThan with dates:

Use symbolic values:

Find atomic masses of elements of atomic number 10 or less:

This is the eccentricity of the elliptical orbit of the Earth around the Sun:

These are the planets whose eccentricity is smaller than or equal to that of the Earth:

Compare the alternative notations: