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17 résultats pour : mathematician

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Woman using calculator
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Woman using calculator

Caucasian teacher standing at chalkboard
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Caucasian teacher standing at chalkboard

Caucasian teacher writing on chalkboard
TTM22A41_122

Caucasian teacher writing on chalkboard

Caucasian teacher frustrated at chalkboard
TTM22A41_123

Caucasian teacher frustrated at chalkboard

Asian businesswoman pointing to white board
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Asian businesswoman pointing to white board

Asian businessman examining writing on glass window in office
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Asian businessman examining writing on glass windo...

Asian businessman writing on white board
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Asian businessman writing on white board

Asian businesswoman writing on white board
TTM22B83_125

Asian businesswoman writing on white board

Hispanic businessman writing formula on clear board
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Hispanic businessman writing formula on clear boar...

Hispanic businessman writing formula on clear board
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Hispanic businessman writing formula on clear boar...

Caucasian teacher standing at chalkboard
TTM22A41_120

Caucasian teacher standing at chalkboard

Caucasian teacher cheering at chalkboard
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Caucasian teacher cheering at chalkboard

Caucasian teacher pointing to chalkboard
TTM22A41_125

Caucasian teacher pointing to chalkboard

Caucasian teacher writing on chalkboard
TTM22A41_126

Caucasian teacher writing on chalkboard

Smiling Indian student next to whiteboard in classroom
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Smiling Indian student next to whiteboard in class...

Professor erasing formulae on blackboard.
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Professor erasing formulae on blackboard.

Professor writing formulae on blackboard.
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Professor writing formulae on blackboard.