function
abacus
addition
algebra
black
blackboard
book
calculator
collection
college
curve
design
diploma
divider
dividing
education
equation
flat
graphic
icon
illustration
isolated
lambda
linear
math
mathematic
mathematical
mathematics
minus
multiplication
object
pen
percentage
pi
plus
protractor
root
ruler
school
science
set
sign
silhouette
student
subtraction
symbol
university
vector
web
white