Placeholder
Placeholder[name]
name という名前ラベルが付いたの入力する場所を示すプレースホルダを表す.
空白のプレースホルダを表す.
例題
Wolfram Research (2008), Placeholder, Wolfram言語関数, https://reference.wolfram.com/language/ref/Placeholder.html.
テキスト
Wolfram Research (2008), Placeholder, Wolfram言語関数, https://reference.wolfram.com/language/ref/Placeholder.html.
CMS
Wolfram Language. 2008. "Placeholder." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Placeholder.html.
APA
Wolfram Language. (2008). Placeholder. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Placeholder.html