numerical formulas or numerical expression

table tag

TABLE

N-1 -i(2πtx)/N
F(t) = Σ F(t)e
x=0

TABLE + CSS

simple

N-1
-i 2πtx
N
F(t) = Σ F(t)e

N-1
-i 2πtx
N
F(t) = ΣF(t)e

double row

N-1
-i 2πtx
N
F(t) = ΣF(t)e
 

tripple row

-i 2πtx
N
N-1
F(t) = ΣF(t)e

fractional expression

-i 2πtx
N
-i 2πtx
N

englishstands forjapanesebreafe
fractionfraction分数1/2, 1/8...
numeratornumerator分子(基数)a/b の a
denominatordenominator分母(序数を使う) a/b の b
vinculumvinculum括線a/b の/の線
mixed numbermixed帯分数a(b/c) の a がある分数
grid number ?grid帯数a(b/c)の a
proper fractionsproper真分数numerator < denominator
improper fractionsimproper仮分数numerator >= denominator
unit fractionunit単位分数1/n の場合 n の単位分数?
compound fractioncompound繁分数 a/(b/c) のように分子、分母に分数が入る分数
cardinal numbercardinal基数1, 2, 3 ...
ordinal numberordinal序数1st, 2nd ...
∫ Π

style(css)

Javascript + css