Math
• How to measure the length of the arc
• How to determine the measurement error
• How to determine the surface area
• How to calculate square root of a number
• How to solve function graph and the tangent
• Why the need for a protractor
• How to determine the form of the differential equation
• How to calculate the perimeter of a circle
• How to build a mold
• How to solve double integrals
• How to find intermediate value
• As at the circumference to determine the diameter
• How to find the volume of a cylinder
• How to do integrals
• In area to identify the parties
• How to find average and variance
• How to find the derivative function at the point
• How to find the circumcenter
• How to decide the ranks
• How to find the modulus of a complex number
• How to calculate correlation coefficient
• How to calculate the limit
• How to calculate the perimeter
• How to determine the mass of the pipe
• How to build a plan accelerations
• What Perelman was awarded the Nobel prize
• How to convert a number from decimal system
• How to set the plane
• How to find the incenter
• How to solve irrational equations 