inequality sign; less-than or greater-than sign
Mathematical symbol for inequality, such as <, >, ≤, ≥, or ≠. Contrasts with 等号 (equals sign).
See also: 等号
Use inequality signs to express the magnitude relationship of expressions.
この問題では、不等号の向きに注意してください。
In this problem, pay attention to the direction of the inequality sign.