qê CXg r 348048
R q } g Г C x X ̉ߋ ̋ l R ~ ɗL l ͌ Ȃ 폜 ܂ ł 鋁 l T ̕ 狁 l ɉ E ⍇ ł ܂AGÿB r Ã Ï É ÃG} & È Û 0 D0¦ ¼ X ñ ú0 ° 0 X ñ0> f H o1 Ä 1b  w EF ê }cB'E &D N© ,´ È XThis expression is valid only for positive values of x, but it can be used in conjunction with Q(x) = 1 − Q(−x) to obtain Q(x) for negative valuesThis form is advantageous in that the range of integration is fixed and finite Craig's formula was later extended by Behnad () for the Qfunction of the sum of two nonnegative variables, as follows Br Portuguese Upper Stepping Stone qê CXg r