Education & science
Grades, probability, physics and scientific calculations.
The calculators
Permutations
Count ordered selections of k elements from n without repetition.
Education & scienceSlope of a line
Calculate the slope of the line through two points.
Education & scienceCombinations
Count selections of k elements from n without order or repetition.
Education & scienceMass concentration
Calculate a concentration from a dissolved mass and the final volume.
Education & scienceTwo independent events
Calculate the probability that two independent events both occur.
Education & scienceDistance between two points
Calculate the distance in a two-dimensional Cartesian coordinate system.
Education & scienceKinetic energy
Calculate an object's translational kinetic energy.
Education & scienceFactorial
Calculate the product of the integers from 1 to n.
Education & scienceForce and acceleration
Calculate a net force from mass and acceleration.
Education & scienceFrequency and period
Convert the frequency of a periodic phenomenon to its period.
Education & scienceOhm's law
Calculate the voltage across an ideal resistor.
Education & scienceDensity
Divide mass by the volume it occupies.
Education & scienceMidpoint of a line segment
Find the coordinates of the midpoint between two points.
Education & scienceWeighted average
Calculate an average by assigning a weight to each grade.
Education & scienceRequired grade
Find the grade needed on a remaining assessment to reach a target average.
Education & scienceSimple probability
Calculate the probability of an event with equally likely outcomes.
Education & scienceDC electrical power
Calculate electrical power from voltage and current.
Education & scienceConvert a grade to a score out of 100
Express a score on a 100-point scale.
Education & scienceConvert a grade to a score out of 20
Convert a grade from any scoring scale into a score out of 20.
Education & scienceSuccess rate
Divide the number of successes by the total number of attempts.
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