In color theory, a purple is defined as any non-spectral color between violet and red (excluding violet and red themselves). The spectral colors violet and indigo are not purples according to color theory, but they are purples according to common English usage since they are between red and blue.
Apex Learning was started in 1997 by Microsoft co-founder Paul Allen on the idea that online courses and test prep, which were already succeeding in higher education, could be applied to K-12.
CACE Technologies was co-founded by Loris Degioanni, the original creator of WinPcap. Without the amazing community of WinPcap users that contributed to its success, CACE would have not existed in the first place. As CACE Technologies, we thank you for having been with us through all the years.