From 0f3b6bcb7dc4425c08e91348978b521baf401b07 Mon Sep 17 00:00:00 2001
From: rsiddharth <s@ricketyspace.net>
Date: Sun, 9 Sep 2018 03:24:45 +0000
Subject: Add (net ricketyspace sicp two fourteen).

* net/ricketyspace/sicp/two/fourteen.scm: New file.
---
 net/ricketyspace/sicp/two/fourteen.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 net/ricketyspace/sicp/two/fourteen.scm

diff --git a/net/ricketyspace/sicp/two/fourteen.scm b/net/ricketyspace/sicp/two/fourteen.scm
new file mode 100644
index 0000000..ea3e351
--- /dev/null
+++ b/net/ricketyspace/sicp/two/fourteen.scm
@@ -0,0 +1,27 @@
+;;;; Under Creative Commons Attribution-ShareAlike 4.0
+;;;; International. See
+;;;; <https://creativecommons.org/licenses/by-sa/4.0/>.
+
+(define-module (net ricketyspace sicp two fourteen)
+  #:use-module (net ricketyspace sicp two seven)
+  #:use-module (net ricketyspace sicp two ten)
+  #:use-module (net ricketyspace sicp two twelve)
+  #:export (par1 par2 R1 R2 R3 A B))
+
+(define (par1 r1 r2)
+  (div-interval (mul-interval r1 r2)
+                (add-interval r1 r2)))
+
+(define (par2 r1 r2)
+  (let ((one (make-interval 1 1)))
+    (div-interval one
+                  (add-interval (div-interval one r1)
+                                (div-interval one r2)))))
+
+(define R1 (make-interval 4 5))
+(define R2 (make-interval 7 8))
+(define R3 (make-interval 1 1))
+
+(define A (make-center-percent 6 0.5))
+(define B (make-center-percent 2 1))
+
-- 
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