d = 1 (slider from 1 to 10, step 1)
a = 1 (slider from 1 to 30, step 1)
テキスト1: "初項" + a + "で公差が" + d + "の
等差数列の最初の10項です．"
b: a + d
c: a + 2 * d
e: a + 3 * d
f: a + 4 * d
g: a + 5 * d
h: a + 6 * d
i: a + 7 * d
j: a + 8 * d
k: a + 9 * d
テキスト2: "a_1=" + (LaTeX[a]) + ""
テキスト3: "a_2=" + (LaTeX[b]) + ""
テキスト4: "a_3=" + (LaTeX[c]) + ""
テキスト5: "a_4=" + (LaTeX[e]) + ""
テキスト6: "a_5=" + (LaTeX[f]) + ""
テキスト7: "a_6=" + (LaTeX[g]) + ""
テキスト8: "a_7=" + (LaTeX[h]) + ""
テキスト9: "a_8=" + (LaTeX[i]) + ""
テキスト10: "a_9=" + (LaTeX[j]) + ""
テキスト11: "a_{10}=" + (LaTeX[k]) + ""