Algebra, geometry, statistics, physics, and trigonometry calculators using standard, published formulas.
Convert a fraction (numerator/denominator) to a percentage.
Calculate the percentage decrease between an original value and a new value.
Generate an arithmetic number sequence from a start value, step, and count.
Check whether a number is prime or not prime.
Find every pair of factors that multiply together to give a target number.
Calculate a weighted average from a list of values and their corresponding weights.
Calculate the Least Common Multiple and Highest Common Factor of two numbers.
Calculate the percentage increase between an original value and a new value.
Calculate the simple average of a list of percentage values.
Simplify a ratio to its lowest terms using GCD reduction.