Macro shot blue marker

Name	Bytes	Width	Height	DPI	Media Type
small	109543	792	445	72	image/jpeg
medium	256642	1369	770	300	image/jpeg
large	779737	2313	1301	300	image/jpeg
x_large	3337520	5120	2880	300	image/jpeg

istock Macro Shot of a Blue Marker Pen Being Held with a Hand. Teacher Writing Equations on a Whiteboard with Mathematical Formulas. Higher Education in University of Technology Concept. 1449082505

Macro Shot of a Blue Macro Shot of a Blue

istock hands writing thank you 2153870854

hands writing thank you hands writing thank you

istock Woman's hand to write on top of the white board. 172314188

Woman's hand to write on Woman's hand to write on

It's all greek to me! Cropped image of a

istock Young Male Scientific Researcher Writes Formula or Equation on Whiteboard In the University of Technology Modern Laboratory. Science and Research for Genetics or Technology Concept. 1449083309

Young Male Scientific Young Male Scientific

$istock Female college student writes out a math equation on whiteboard. 1124584228$

Female college student Profile shot of a female

istock Cropped shot of a male teacher pointing at text on whiteboard while giving Javascript lesson online 1253711261

Cropped shot of a male Cropped shot of a male

$istock Unrecognizable teacher writes math problem on chalkboard 646498648$

Unrecognizable teacher Teacher writes a math

$istock Math teacher by the blackboard during mathclass 1206814517$

Math teacher by the Math teacher by the

istock Beautiful businesswoman's hand with a pen,Around the whiteboard. 174899403

Beautiful businesswoman's Beautiful businesswoman's

$istock Math professor writing mathematical formula on blackboard during online class 1224553022$

Math professor writing Male math professor

$istock Hand Asian solving solution Math formulas, doing mathermatics problem on whiteboard in classroom at high school. Back to School concept 1062761990$

Hand Asian solving Hand Asian solving

Student female student standing

istock Teaching students Online during isolation period 1224818497

Teaching students Online Teaching students Online

$istock Hand Asian solving solution Math formulas, doing mathermatics problem on whiteboard in classroom at high school. Back to School concept 1071013836$