# calculator skills   60 videos

• #### ACT English Strategy

##### ACTACT English

Short, helpful video on ACT English strategies by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.

Commonly tested strategy organization and style skills
• #### Percent Change

##### AlgebraSolving Equations

How to calculate a percent change.

percent percent change
• #### Circumference

##### GeometryCircles

How to calculate the circumference of a circle.

circumference pi distance radius diameter ratio
• #### Volume of Spheres

##### GeometryVolume

How to calculate the volume of a sphere.

• #### Composition of Functions

##### Algebra 2Functions

How to calculate the composition of functions.

composition f(g(x))
• #### Introduction to Probability

##### Algebra 2Combinatorics

How to calculate the probability of an event.

sample space event probability
• #### Introduction to Probability

##### PrecalculusTopics in Discrete Math

How to calculate the probability of an event.

sample space event probability
• #### Average Speed

##### PhysicsLinear and Projectile Motion

How to calculate average speed.

average speed total distance time
• #### Average Velocity

##### PhysicsLinear and Projectile Motion

How to calculate average velocity.

average velocity
• #### Rotational Speed

##### PhysicsCircular Motion and Rotational Mechanics

Understanding and calculating rotational speed.

rotational speed rotation revolution

• #### Median

##### AlgebraIntroduction to Statistics

How to calculate the median of a data set.

median measure of center
• #### Inscribed Angles

##### GeometryCircles

How to calculate the measure of an inscribed angle.

inscribed angle intercepted arc central angle congruent arcs
• #### Space Diagonals

##### GeometryPythagorean Theorem

How to define and calculate a space diagonal.

space diagonal vertex base lateral face
• #### Volume of Cylinders

##### GeometryVolume

How to calculate the volume of any cylinder.

volume base area height circle area rectangular prism
• #### Space Diagonals

##### TrigonometryPythagorean Theorem

How to define and calculate a space diagonal.

space diagonal vertex base lateral face
• #### ACT English Tips

##### ACTACT English

Short, helpful video on ACT English tips by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.

Sneaky English strategies picking up points even if your skills are rusty
• #### The Discriminant

How to calculate and interpret the discriminant of a quadratic equation.

discriminant x intercepts number of solutions
• #### Mean

##### AlgebraIntroduction to Statistics

How to calculate the mean, or average, of a list of numbers.

mean measure of center average
• #### Perimeter

##### GeometryGeometry Building Blocks

How to define perimeter and calculate it for squares, rectangles, and circles.

perimeter of a square rectangle and circle