Home

PriceZombie

Login
  • The Thermodynamics Problem Solver

  • Amazon

    From $20.72 (New)
  • Learn More
  • Change Region
  • Full Website

Copyright © 2016 PriceZombie, LLC.

Buy from Amazon $30.95$0.65 $37.50 $25.00 $12.50 Feb May Aug Nov Feb May Aug Nov Feb May 2014 2015 2016 $20.55, Nov 15 5:46 am$17.36, Nov 23 - Dec 18$21.05, Dec 20 - Dec 23$27.86, Dec 26 - Jan 2$27.16, Jan 4 - Jan 11$26.88, Jan 12 - Jan 14$21.05, Jan 14 - Jan 26$20.83, Jan 27 - Feb 9$20.62, Feb 9 - Apr 25$21.05, Apr 25 - Sep 5$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$2.54, May 4 11:11 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$2.11, May 7 3:10 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$1.95, May 9 8:59 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$2.09, May 11 6:11 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$2.71, May 13 12:52 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$2.91, May 14 3:02 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$2.21, May 18 3:02 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$3.28, May 20 - May 21$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$3.89, May 22 11:19 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$4.92, May 25 9:57 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$4.73, May 27 11:07 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$4.62, May 29 7:22 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$4.51, Jun 1 8:59 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$4.39, Jun 3 7:27 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$4.20, Jun 5 5:26 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$3.63, Jun 8 5:00 am$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$3.50, Jun 10 11:33 pm$21.05, May 2 - Jun 16$21.05, Apr 25 - Sep 5$3.38, Jun 13 5:35 am$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.45, Jun 15 - Jun 21$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.72, Jun 22 - Jun 25$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.85, Jun 26 - Jun 27$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.95, Jun 28 - Jul 8$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.84, Jul 10 5:09 pm$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.81, Jul 13 3:34 am$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.77, Jul 14 1:26 pm$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.64, Jul 17 8:16 am$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.50, Jul 19 8:28 pm$21.05, Jun 17 - Jul 23$21.05, Apr 25 - Sep 5$3.43, Jul 21 3:29 pm$21.05, Apr 25 - Sep 5$19.82, Jul 23 - Aug 4$3.26, Jul 24 7:02 pm$21.05, Apr 25 - Sep 5$19.82, Jul 23 - Aug 4$3.12, Jul 27 12:42 pm$21.05, Apr 25 - Sep 5$19.82, Jul 23 - Aug 4$2.24, Jul 29 8:22 am$21.05, Apr 25 - Sep 5$19.82, Jul 23 - Aug 4$2.08, Jul 31 10:17 pm$21.05, Apr 25 - Sep 5$19.82, Jul 23 - Aug 4$1.99, Aug 2 5:16 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.99, Aug 5 2:00 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$4.00, Aug 6 - Aug 7$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$5.80, Aug 9 4:36 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$5.78, Aug 12 2:26 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$5.77, Aug 14 2:10 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.99, Aug 16 10:31 am$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.86, Aug 18 1:25 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.64, Aug 21 8:46 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.38, Aug 24 1:18 am$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.34, Aug 26 4:09 am$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$3.23, Aug 27 - Aug 28$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$4.20, Aug 30 5:21 pm$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$4.80, Sep 2 2:21 am$21.05, Apr 25 - Sep 5$14.75, Aug 5 - Sep 22$4.96, Sep 3 - Sep 4$23.13, Sep 6 11:20 pm$14.75, Aug 5 - Sep 22$4.98, Sep 5 - Sep 6$24.42, Sep 9 - Sep 10$14.75, Aug 5 - Sep 22$5.78, Sep 8 - Sep 9$23.77, Sep 11 - Sep 12$14.75, Aug 5 - Sep 22$5.77, Sep 11 - Sep 12$23.76, Sep 14 - Sep 19$14.75, Aug 5 - Sep 22$5.78, Sep 14 - Sep 18$23.76, Sep 14 - Sep 19$14.75, Aug 5 - Sep 22$5.99, Sep 19 - Sep 25$23.52, Sep 22 1:21 pm$14.75, Aug 5 - Sep 22$5.99, Sep 19 - Sep 25$21.05, Sep 24 - Sep 27$21.03, Sep 25 - Sep 27$5.99, Sep 19 - Sep 25$21.05, Sep 24 - Sep 27$21.03, Sep 25 - Sep 27$5.98, Sep 27 - Sep 29$20.83, Sep 29 - Nov 18$20.12, Sep 29 - Oct 6$5.98, Sep 27 - Sep 29$20.83, Sep 29 - Nov 18$20.12, Sep 29 - Oct 6$5.81, Oct 1 8:50 pm$20.83, Sep 29 - Nov 18$20.12, Sep 29 - Oct 6$5.76, Oct 3 10:52 pm$20.83, Sep 29 - Nov 18$20.12, Sep 29 - Oct 6$5.72, Oct 6 12:10 am$20.83, Sep 29 - Nov 18$19.66, Oct 8 - Oct 10$5.65, Oct 8 1:49 am$20.83, Sep 29 - Nov 18$20.13, Oct 11 - Oct 21$5.50, Oct 11 4:55 pm$20.83, Sep 29 - Nov 18$20.13, Oct 11 - Oct 21$5.44, Oct 12 7:11 pm$20.83, Sep 29 - Nov 18$20.13, Oct 11 - Oct 21$5.35, Oct 14 9:29 pm$20.83, Sep 29 - Nov 18$20.13, Oct 11 - Oct 21$5.11, Oct 19 12:29 am$20.83, Sep 29 - Nov 18$20.13, Oct 11 - Oct 21$5.04, Oct 21 5:03 am$20.83, Sep 29 - Nov 18$16.81, Oct 23 - Oct 25$4.99, Oct 23 12:04 pm$20.83, Sep 29 - Nov 18$16.81, Oct 23 - Oct 25$5.96, Oct 25 4:36 am$20.83, Sep 29 - Nov 18$14.74, Oct 30 - Nov 11$5.97, Oct 30 8:07 pm$20.83, Sep 29 - Nov 18$14.74, Oct 30 - Nov 11$5.81, Nov 5 9:18 am$20.83, Sep 29 - Nov 18$14.74, Oct 30 - Nov 11$5.59, Nov 11 4:52 pm$20.83, Sep 29 - Nov 18$14.73, Nov 16 - Nov 30$5.98, Nov 16 - Nov 24$21.05, Nov 20 - Jan 26$14.73, Nov 16 - Nov 30$5.98, Nov 16 - Nov 24$21.05, Nov 20 - Jan 26$14.73, Nov 16 - Nov 30$5.96, Nov 26 5:25 pm$21.05, Nov 20 - Jan 26$14.73, Nov 16 - Nov 30$5.54, Nov 28 3:32 pm$21.05, Nov 20 - Jan 26$14.73, Nov 16 - Nov 30$4.54, Nov 30 1:26 pm$21.05, Nov 20 - Jan 26$14.75, Dec 2 - Jan 9$5.98, Dec 4 - Dec 8$21.05, Nov 20 - Jan 26$14.75, Dec 2 - Jan 9$5.97, Dec 10 - Dec 16$21.05, Nov 20 - Jan 26$14.75, Dec 2 - Jan 9$5.89, Dec 18 9:13 am$21.05, Nov 20 - Jan 26$14.75, Dec 2 - Jan 9$5.97, Dec 22 11:25 am$21.05, Nov 20 - Jan 26$14.75, Dec 2 - Jan 9$5.98, Dec 23 - Dec 26$21.05, Nov 20 - Jan 26$14.75, Dec 2 - Jan 9$5.99, Dec 27 - Jan 8$21.05, Nov 20 - Jan 26$19.95, Jan 10 - Mar 4$5.93, Jan 10 2:54 pm$21.05, Nov 20 - Jan 26$19.95, Jan 10 - Mar 4$5.42, Jan 12 3:34 pm$21.05, Nov 20 - Jan 26$19.95, Jan 10 - Mar 4$5.98, Jan 14 - Jan 16$21.05, Nov 20 - Jan 26$19.95, Jan 10 - Mar 4$5.99, Jan 18 - Jan 20$21.05, Nov 20 - Jan 26$19.95, Jan 10 - Mar 4$5.75, Jan 24 2:39 am$21.05, Nov 20 - Jan 26$19.95, Jan 10 - Mar 4$5.98, Jan 26 3:44 pm$21.04, Jan 28 - Feb 2$19.95, Jan 10 - Mar 4$6.49, Jan 28 - Jan 31$21.04, Jan 28 - Feb 2$19.95, Jan 10 - Mar 4$6.50, Feb 1 - Feb 12$21.05, Feb 4 - Feb 16$19.95, Jan 10 - Mar 4$6.50, Feb 1 - Feb 12$21.05, Feb 4 - Feb 16$19.95, Jan 10 - Mar 4$6.49, Feb 16 10:40 am$21.04, Feb 18 - Feb 25$19.95, Jan 10 - Mar 4$6.44, Feb 18 8:43 am$21.04, Feb 18 - Feb 25$19.95, Jan 10 - Mar 4$6.50, Feb 21 5:59 am$21.04, Feb 18 - Feb 25$19.95, Jan 10 - Mar 4$6.95, Feb 23 - Mar 13$21.05, Feb 26 - Mar 26$19.95, Jan 10 - Mar 4$6.95, Feb 23 - Mar 13$21.05, Feb 26 - Mar 26$20.11, Mar 6 3:30 pm$6.95, Feb 23 - Mar 13$21.05, Feb 26 - Mar 26$20.12, Mar 8 - Mar 22$6.95, Feb 23 - Mar 13$21.05, Feb 26 - Mar 26$20.12, Mar 8 - Mar 22$6.94, Mar 15 10:58 am$21.05, Feb 26 - Mar 26$20.12, Mar 8 - Mar 22$5.98, Mar 18 - Mar 19$21.05, Feb 26 - Mar 26$20.12, Mar 8 - Mar 22$6.99, Mar 20 6:42 am$21.05, Feb 26 - Mar 26$20.12, Mar 8 - Mar 22$6.32, Mar 22 - Mar 23$21.05, Feb 26 - Mar 26$19.65, Mar 23 - Apr 25$6.32, Mar 22 - Mar 23$21.05, Feb 26 - Mar 26$19.65, Mar 23 - Apr 25$7.00, Mar 26 2:00 am$21.04, Mar 28 - Apr 4$19.65, Mar 23 - Apr 25$7.63, Mar 28 9:28 am$21.04, Mar 28 - Apr 4$19.65, Mar 23 - Apr 25$7.64, Mar 30 - Apr 2$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$9.83, Apr 6 5:41 am$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$9.74, Apr 7 2:13 pm$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$9.53, Apr 10 6:48 am$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$9.12, Apr 13 3:26 am$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$8.77, Apr 15 11:10 pm$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$8.42, Apr 18 12:00 pm$21.03, Apr 6 - Apr 25$19.65, Mar 23 - Apr 25$7.90, Apr 22 1:41 pm$21.03, Apr 27 - May 10$19.65, Apr 27 - Jun 9$7.45, Apr 27 12:47 am$21.03, Apr 27 - May 10$19.65, Apr 27 - Jun 9$6.98, Apr 29 10:05 pm$21.03, Apr 27 - May 10$19.65, Apr 27 - Jun 9$5.94, May 4 12:06 am$21.03, Apr 27 - May 10$19.65, Apr 27 - Jun 9$5.43, May 6 5:23 pm$21.03, Apr 27 - May 10$19.65, Apr 27 - Jun 9$4.91, May 10 7:57 pm$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$4.65, May 14 3:10 am$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$4.42, May 17 11:53 pm$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$4.13, May 22 7:33 am$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$3.69, May 26 12:17 pm$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$3.57, May 28 5:40 pm$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$3.40, May 31 1:40 am$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$3.19, Jun 4 3:44 pm$21.05, May 14 - Jun 9$19.65, Apr 27 - Jun 9$2.58, Jun 9 12:47 am$20.94, Jun 11 - Jul 30$19.42, Jun 11 - Jun 14$2.37, Jun 11 2:53 am$20.94, Jun 11 - Jul 30$19.42, Jun 11 - Jun 14$2.08, Jun 14 9:52 pm$20.94, Jun 11 - Jul 30$19.48, Jun 18 - Aug 3$1.98, Jun 18 - Jun 22$20.94, Jun 11 - Jul 30$19.48, Jun 18 - Aug 3$1.97, Jun 26 5:26 am$20.94, Jun 11 - Jul 30$19.48, Jun 18 - Aug 3$1.98, Jun 30 - Jul 20$20.94, Jun 11 - Jul 30$19.48, Jun 18 - Aug 3$1.97, Jul 23 6:21 pm$20.94, Jun 11 - Jul 30$19.48, Jun 18 - Aug 3$2.61, Jul 27 7:55 am$20.94, Jun 11 - Jul 30$19.48, Jun 18 - Aug 3$2.83, Jul 30 10:31 pm$20.83, Aug 1 - Aug 9$19.48, Jun 18 - Aug 3$4.51, Aug 1 6:23 pm$20.83, Aug 1 - Aug 9$19.48, Jun 18 - Aug 3$4.73, Aug 3 1:52 pm$20.83, Aug 1 - Aug 9$19.54, Aug 5 - Aug 24$4.70, Aug 5 10:26 am$20.83, Aug 1 - Aug 9$19.54, Aug 5 - Aug 24$4.68, Aug 9 4:40 am$20.72, Aug 12 - Aug 16$19.54, Aug 5 - Aug 24$4.42, Aug 12 11:32 pm$20.72, Aug 12 - Aug 16$19.54, Aug 5 - Aug 24$3.96, Aug 16 4:59 pm$19.68, Aug 20 - Aug 28$19.54, Aug 5 - Aug 24$3.39, Aug 20 11:40 am$19.68, Aug 20 - Aug 28$19.54, Aug 5 - Aug 24$3.19, Aug 24 4:53 am$19.68, Aug 20 - Aug 28$2.89, Aug 28 12:08 am$18.69, Aug 31 - Sep 8$3.42, Aug 31 5:09 pm$18.69, Aug 31 - Sep 8$9.21, Sep 6 - Sep 8$17.75, Sep 10 - Sep 16$7.27, Sep 10 1:39 pm$17.75, Sep 10 - Sep 16$9.21, Sep 12 12:53 pm$17.75, Sep 10 - Sep 16$9.16, Sep 16 10:04 am$16.86, Sep 20 - Sep 28$9.20, Sep 20 - Sep 24$16.86, Sep 20 - Sep 28$9.16, Sep 28 2:51 am$16.01, Sep 30 - Oct 6$9.13, Oct 2 4:19 am$16.01, Sep 30 - Oct 6$5.98, Oct 6 6:59 am$15.47, Oct 10 - Nov 17$7.11, Oct 10 10:37 am$15.47, Oct 10 - Nov 17$7.02, Oct 14 10:08 am$15.47, Oct 10 - Nov 17$3.51, Oct 18 6:52 am$15.47, Oct 10 - Nov 17$6.91, Oct 20 6:23 am$15.47, Oct 10 - Nov 17$4.99, Oct 24 3:18 am$15.47, Oct 10 - Nov 17$4.95, Oct 28 1:22 am$15.47, Oct 10 - Nov 17$4.00, Nov 1 1:13 am$15.47, Oct 10 - Nov 17$4.90, Nov 5 1:47 am$15.47, Oct 10 - Nov 17$4.96, Nov 9 4:27 am$15.47, Oct 10 - Nov 17$4.98, Nov 13 7:20 am$15.47, Oct 10 - Nov 17$4.99, Nov 17 - Nov 24$15.53, Nov 19 - Jan 17$4.99, Nov 17 - Nov 24$15.53, Nov 19 - Jan 17$4.98, Nov 28 9:41 pm$15.53, Nov 19 - Jan 17$4.95, Dec 3 7:02 pm$15.53, Nov 19 - Jan 17$4.73, Dec 8 4:52 pm$15.53, Nov 19 - Jan 17$4.43, Dec 13 7:26 pm$15.53, Nov 19 - Jan 17$4.12, Dec 18 9:42 pm$15.53, Nov 19 - Jan 17$3.81, Dec 23 5:45 pm$15.53, Nov 19 - Jan 17$3.78, Dec 28 6:00 pm$15.53, Nov 19 - Jan 17$3.68, Jan 2 1:27 pm$15.53, Nov 19 - Jan 17$3.58, Jan 7 10:56 am$15.53, Nov 19 - Jan 17$3.23, Jan 12 - Jan 17$21.05, Jan 22 - Jan 27$3.93, Jan 22 9:22 am$21.05, Jan 22 - Jan 27$3.90, Jan 24 10:40 pm$21.05, Jan 22 - Jan 27$3.88, Jan 27 12:50 pm$20.94, Feb 1 - Feb 17$3.84, Feb 1 11:42 am$20.94, Feb 1 - Feb 17$3.71, Feb 6 2:50 pm$20.94, Feb 1 - Feb 17$3.93, Feb 11 5:59 pm$20.94, Feb 1 - Feb 17$3.70, Feb 17 3:19 am$20.83, Feb 22 - Feb 28$1.46, Feb 22 4:19 pm$20.83, Feb 22 - Feb 28$0.65, Feb 28 12:48 am$30.95, Mar 11 - Mar 23$3.82, Mar 11 2:11 pm$30.95, Mar 11 - Mar 23$3.89, Mar 23 10:26 am$20.83, Apr 3 - Apr 9$3.26, Apr 3 10:06 pm$20.83, Apr 3 - Apr 9$3.20, Apr 9 5:00 pm$20.72, Apr 15 3:32 pm$3.18, Apr 15 3:32 pm 55,581933,493 1,171,875 781,250 390,625 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $20.72 Apr 15, '16
Highest $30.95 Mar 11, '16
Lowest $15.47 Oct 10, '15
Average $26.99 (30d avg)
$23.16 (90d avg)
$19.33 (180d avg)
$19.60 (365d avg)
$20.47 (Lifetime average)
Added Nov 15, 2013

3rd Party New

Last Seen $19.54 Aug 24, '15
Highest $21.05 Jun 17, '14
Lowest $14.73 Nov 16, '14
Average $19.56 (365d avg)
$18.66 (Lifetime average)
Added Nov 15, 2013

3rd Party Used

Latest $3.18 Apr 15, '16
Highest $9.84 Apr 4, '15
Lowest $0.65 Feb 28, '16
Average $3.56 (30d avg)
$3.13 (90d avg)
$3.84 (180d avg)
$4.35 (365d avg)
$4.84 (Lifetime average)
Added Nov 15, 2013

Sales Rank

30 day average: 232,892
90 day average: 385,021

Product Description

Back to store list

Login