Math & Numbers
Calculate the percentage decrease between an original value and a new value
percentage-decrease-calculatorMath & Numbers
Calculate the percentage increase between an original value and a new value
percentage-increase-calculatorMath & Numbers
Calculate the perimeter of various geometric shapes
perimeter-calculatorMath & Numbers
Factor any integer into its prime factors with detailed analysis and mathematical properties.
prime-factorizationMath & Numbers
Solve quadratic equations ax² + bx + c = 0 and linear equations bx + c = 0 with detailed steps, discriminant analysis, vertex calculation, and axis of symmetry.
quadratic-equation-solverMath & Numbers
Check if a number is prime (a natural number greater than 1 that has no positive divisors other than 1 and itself)
prime-number-checkerMath & Numbers
Calculate percentages, percentage changes, and percentage relationships between numbers
percentage-calculatorMath & Numbers
Convert between different pressure units (pascal, bar, psi, atmosphere, etc.)
pressure-converterMath & Numbers
Evaluate and analyze polynomials
polynomial-calculatorFinance
Calculate present value of future cash flows and investment analysis
present-valueMath & Numbers
Convert liters to US cups with configurable decimal precision
liter-to-cupMath & Numbers
Convert liters to US liquid pints with configurable decimal precision
liter-to-pint