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.
The company was established in 1948 as Kataoka Electric Co., Ltd. and changed its name to Alps Electric Co., Ltd. in December 1964. Since June 22, 2012, the President has been Toshihiro Kuriyama and Chairman is Masataka Kataoka.Alps is also well known for the Alpine brand of car audio.lps touchpad hardware is developed and manufactured by the Cirque Corporation, which they acquired in 2003; however, the parent company continues to write their own drivers. Their drivers are Windows certified. They are mostly found in Sony, Toshiba and Dell notebooks, as well as the OLPC XO-1.