metastock help required

i am vipul shah want ur help to make a metastock indicator close mmy 509.65 509.65{1 day, mmy same as close} 514.05 511.1{2 day,514.05-509.65(c - ref(mmy))ie diff 4.4 *.33+509.65 mmy 1 d 524.95 515.67{3 day,524.95-511.1 ie diff 13.85 *.33 +511.10 mmy 2 day 529.25 520.15{4...