function
2d
abstract
algebra
analysis
book
calculation
chart
coordinate
coordinates
cotangent
ctg
curve
data
drawing
education
exercise
figure
formula
graph
graphic
grid
layout
line
marking
math
mathematics
matrix
note
paper
periodic
periodical
physics
schedule
scheme
school
science
sheet
sign
square
study
symbol
table
technical
template
trigonometry
value
wave
wavy