PNG ICO ICNS MORE
Computer & hardware
Pixel
Icon set 32 px
math, Blackboard
DarkSlateGray
32x32
Mixed
PixeloPhilia 2
calculator, math
PNG MORE
UI
Gnome icons
math, Ooo
Gainsboro
24x24
function, math, Autopilot
Black
math, insert, Object
WhiteSmoke
Desktop apps
Diagona Icons
graph, math
CornflowerBlue
16x16
Tango
math, calculator