README.md added.

README.md

+# Estimating pi (π) with Monte Carlo.
+This is for the Uebung.
+
+    go build .
+
+Is all one needs.
+
+Cross compiling for windows...
+
+   GOOS=windows GOARCH=amd64 go build .
+   
+# BUGS
+
+There have been some terrible bugs in gonum/plot - mostly to do with large numbers of points. I am not going to fix them. Since seeing this, I have swapped to using a different chart package.
+

go.mod

@@ -2,4 +2,4 @@ module pi
 
 go 1.16
 
-require gonum.org/v1/plot v0.11.0
+require gonum.org/v1/plot v0.12.0

go.sum

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+dmitri.shuralyov.com/gpu/mtl v0.0.0-20201218220906-28db891af037/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
 git.sr.ht/~sbinet/gg v0.3.1 h1:LNhjNn8DerC8f9DHLz6lS0YYul/b602DUxDgGkd/Aik=
 git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
@@ -23,6 +24,7 @@ github.com/go-fonts/liberation v0.2.0 h1:jAkAWJP4S+OsrPLZM4/eC9iW7CtHy+HBXrEwZXW
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+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
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@@ -32,6 +34,8 @@ github.com/go-pdf/fpdf v0.6.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhO
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@@ -46,16 +50,21 @@ github.com/ruudk/golang-pdf417 v0.0.0-20201230142125-a7e3863a1245/go.mod h1:pQAZ
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@@ -68,19 +77,29 @@ golang.org/x/image v0.0.0-20210216034530-4410531fe030/go.mod h1:FeLwcggjj3mMvU+o
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@@ -89,8 +108,12 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -100,10 +123,13 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
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@@ -111,14 +137,14 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T
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