A computer with a screen displaying a pop-up window of an online meeting or teaching lesson with a lecturer with headphones and attendees.

Computer With Online Conference App Window

Numerals showing the equation 3 x 9 = 27.

Math Equation

A seated man holding a pencil in one hand and raising the other hand.

A screen content of an online meeting or teaching lesson with a lecturer with headphones and attendees.

A lowercase letter B in a sans-serif font face.

An empty blackboard with a single thick chalk stick or eraser.

A lowercase letter A in a sans-serif font face.

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.