f+g

f: y =

g: y =

$+$

$-$

$\cdot$

$/$

+

f(x) = x^(2) - 1
g(x) = x - 2
h(x) = x^(2) - 1 + x - 2
Eingabefeld1 = Textfield(f)
Eingabefeld2 = Textfield(g)
Text2: "f " + (LaTeX[rechenzeichen]) + " g"
Text1: "f " + (LaTeX[rechenzeichen]) + " g: \;y = " + (LaTeX[If[rechenzeichen ≟ "/", h, h0]]) + " "
X = Point(xAxis)
x0: x(X)
Text4: "x = " + (LaTeX[x0]) + ""
Text5: "f(" + (LaTeX[x0]) + ") = " + (LaTeX[f(x0)]) + ""
Text6: "g(" + (LaTeX[x0]) + ") = " + (LaTeX[g(x0)]) + ""
hx = If(h(x0) ≟ Infinity, NaN, h(x0))
Text3: "( f" + (LaTeX[rechenzeichen]) + " g)(" + (LaTeX[x0]) + ") = f(" + (LaTeX[x0]) + ") " + (LaTeX[rechenzeichen]) + " g(" + (LaTeX[x0]) + ") = " + (LaTeX[hx]) + ""