$ 對數的定義 $

k = 1 (slider from 1 to 19, step 1)
list1 = Sequence(sqrt(2)^(k), k, -10, 10)
a = Element(list1, k)
n = 1 (slider from 1 to 23, step 1)
list0 = Sequence(2^(m), m, -10, 12)
b = Element(list0, n)
list2 = Sequence(3^(m), m, -10, 12)
h = 1 (slider from 1 to 23, step 1)
c = Element(list2, h)
text2: "$ log_2" + (LaTeX[FractionText[b]]) + " =" + (LaTeX[ld(b)]) + "⇔2^{" + (LaTeX[ld(b)]) + "}=" + (LaTeX[FractionText[b]]) + "$"
text3: "$ log_3" + (LaTeX[FractionText[c]]) + " =" + (LaTeX[LaTeX[log(3, c)]]) + "⇔3^{" + (LaTeX[FractionText[log(3, c)]]) + "}=" + (LaTeX[FractionText[c]]) + "$"
text1: "$log_2" + (LaTeX[SurdText[a]]) + "=" + (LaTeX[FractionText[ld(a)]]) + "⇔2^{" + (LaTeX[FractionText[ld(a)]]) + "}=" + (LaTeX[SurdText[a]]) + "$"
o = 1 (slider from 1 to 24, step 1)
list3 = Sequence(10^(m), m, -8, 15)
d = Element(list3, o)
text4: "$ log" + (LaTeX[FractionText[d]]) + " =" + (LaTeX[lg(d)]) + "⇔10^{" + (LaTeX[lg(d)]) + "}=" + (LaTeX[FractionText[d]]) + "$"