Text 指令

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Text[Object]

Returns the formula for the object as a 文字.

備註： By default, values are substituted for variables.

範例： If a = 2 and c = a², then Text[c] returns the text "4".

Text[Object, Boolean]

Returns the formula for the object as a text object. The Boolean variable determines if values are substituted for variables (true) or if variable names are shown in the text (false).

範例：

If a = 2 and c = a², then

• Text[c, true] returns the text "4" and
• Text[c, false] returns the text "a²"

Text[Object, Point]

Returns the formula for the object as a text object at the position of the given point.

範例： Text["hello", (2, 3)] returns the text hello at the position (2, 3).

Text[Object, Point, Boolean]

Returns the formula for the object as a text object at the position of the given point. The Boolean variable determines if values are substituted for variables (true) or if variable names are shown in the text (false).

Text[Object, Point, Boolean substitute,Boolean LaTeX]

Returns the formula for the object as a text object at the position of the given point. First Boolean variable determines if values are substituted for variables (true) or if variable names are shown in the text (false). If the second Boolean variable is true, the result is rendered using LaTeX.

範例： 假設 n = 3，則 Text["\frac{1}{" + (2^n) + "}", A, true, true] 會得到「\frac{1}{8}」的文字方塊，它的左上角會對齊 A 點。