Math equations on whiteboard — Stock photos

"Math equations on whiteboard" is an authentic stock image by MintImages. It’s available in the following resolutions: 1600 x 1067px, 2600 x 1733px, 5120 x 3413px. The minimum price for an image is 49$. Image in the highest quality is 5120 x 3413px, 300 dpi, and costs 449$.