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+# pi.awk --- compute the digits of pi
+#
+# Katie Wasserman, katie@wass.net
+# August 2014
+
+BEGIN {
+ digits = 100000
+ two = 2 * 10 ^ digits
+ pi = two
+ for (m = digits * 4; m > 0; --m) {
+ d = m * 2 + 1
+ x = pi * m
+ div(x, d, result)
+ pi = result["quotient"]
+ pi = pi + two
+ }
+ print pi
+}