The shoreline near Santa Cruz is pretty cool. This article about marine terraces on the Mobile Ranger blog explains it.
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Santa Cruz, California
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Santa Cruz, California
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Santa Cruz, California
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Santa Cruz, California
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Santa Cruz Mission, Santa Cruz, California
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| Santa Cruz, California |
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UCSC Tanks, Santa Cruz, California
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Wilder Ranch, Santa Cruz, California
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El Chaltén, Patagonia
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The toilet bowl at Lighthouse Point, Santa Cruz.
(As always, you can click the picture for a larger image.)
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| Winslow Homer, West Point, Prout's Neck,1900. The Clark Art Institute, Williamstown, Massachusetts. |
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| Trail in Cave Gulch. Wilder Ranch, Santa Cruz. |
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| View north from the White Rabbit Trail, Oredson-Todd Woods, Ashland, Oregon. |
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| In the hills north of Ashland, Oregon. |
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| Ashland Loop Road south of Ashland, Oregon in the Siskiyou Mountains. |
package main
import (
"fmt"
"os"
"strconv"
)
const ndefault = 10000
func main() {
// How many iterations?
n := ndefault
if (len(os.Args) > 1) {
n,_ = strconv.Atoi(os.Args[1])
}
if n == 0 { n = ndefault }
fmt.Println("n =", n)
pi := 3.0
s := 1.0 // Sign for alternating terms
// Nilakantha series.
for i := 2.0; i <= float64(n*2); i += 2 {
pi = pi + s * (4 / (i * (i + 1) * (i + 2)));
s = -s
}
fmt.Printf("%1.20f\n", pi)
}
Starts
going off
rails here.
|
approx: 3.14159265358953820879
actual: 3.141592653589793238462643383279502884197
If you really want to know more about the history and the mathematics, there's a nice paper here from the Mathematical Association of America: The Discovery of the Series Formula for \(\pi\).
And the Wikipedia page on \(\pi\).
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| El Chaltén, Patagonia. |
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| In the magical forest on the way to Laguna Torre. |
| El Chaltén, Patagonia |
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| Río de las Vueltas, El Chaltén, Patagonia |
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| Lago Argentino, El Calafate, Santa Cruz, Argentina. |
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| View from Argentina Route 40. Reminds me of U.S. Route 50 in Utah and Nevada. |