plus-minus sign
≈ (approximately equal to)
Engineering tolerance – Permissible limit or limits of variation
Plus and minus signs
Sign (mathematics)
Table of mathematical symbols
/suto3/google.iconplus-minus sign
/suto3/Google画像検索.iconplus-minus sign
/suto3/Google定義検索.icon plus-minus sign
/suto3/wikipedia.iconplus-minus sign
/suto3/weblio.icon plus-minus sign
/suto3/kotobank.icon plus-minus sign
/suto3/jisho.icon plus-minus sign