ocr: F - 0.5/12136645 X FresnelC(x) i= 0 - - - - c cos( (32) dt - X Fresnels(x) : sin (3) dt - - 0 X Si(x x):= sin(t) dt - 0 Cilx)=y+ In(> xJ + cos(t)-1 dt E Ei(x)=Y+ + In(x x) + - - Ea - n-n! n=1 erf(z) : - i4 (-1)"212n+1) - - n:(2-n+1) - - - For zl < 4, use a range of n=l U to 100