The Action of Subtraction (Math Is CATegorical ®) | Price history
Price change log
10/05/2023: $8.99
03/03/2020: $7.99
11/14/2019: $7.51
10/19/2019: $7.99
10/14/2019: $7.53
10/08/2019: $7.99
08/30/2019: $7.53
08/20/2019: $7.99
08/03/2019: $7.86
07/16/2019: $7.99
07/13/2019: $7.75
11/16/2018: $7.99
10/18/2018: $7.64
10/13/2018: $7.84
10/06/2018: $5.54
09/20/2018: $7.99
08/25/2018: $6.95
08/15/2018: $4.86
04/09/2018: $6.95
11/24/2017: $6.26
08/16/2017: $6.95
07/13/2017: $6.52
07/12/2017: $4.96
07/08/2017: $6.52
07/07/2017: $5.51
07/05/2017: $6.12
06/30/2017: $6.52
06/28/2017: $6.95
06/25/2017: $4.27
06/22/2017: $5.17
06/16/2017: $5.74
06/06/2017: $6.12
06/01/2017: $6.51
04/25/2017: $6.95
04/22/2017: $6.93
08/21/2015: $6.95
08/05/2015: $5.9
07/27/2015: $6.14
07/10/2015: $6.23
11/01/2014: $6.95
10/30/2014: $6.83
10/26/2014: $6.79
10/19/2014: $6.95
10/14/2014: $6.35
10/13/2014: $6.05
10/12/2014: $6.35
09/22/2014: $6.95
10/17/2013: $6.26
09/20/2013: $6.16
05/10/2013: $6.26
04/04/2013: $5.57
03/02/2013: $5.93
07/11/2011: $6.95
07/04/2011: $6.26
06/26/2011: $6.95
05/28/2011: $6.63
04/14/2011: $6.95
04/10/2011: $6.75