Outline math in Emoji & avatars category icons

business, calculator, display, math, office, stickman

$avatar, calculator, male, math, people, profile, user$

$connection, logic, math, network$

$avatar, calculator, female, math, profile, user$

$analysis, education, emotion, learning, math, study$

$calculated, education, emotion, learning, math, study$

accounting, calculating, education, logic, math, mind, thinking