Calculators

Finds the greatest common factor (GCF) of two numbers.

Determines the percentage increase or decrease from an initial value to a final value.

This calculator determines if a given year is a leap year and lists all leap years within a specified range.

Converts a number from millions to lakhs, based on the Indian numbering system.

Calculates the result of decreasing a number by a specific percentage.

Calculates the result of increasing a number by a specific percentage.

Converts numbers from billions to trillions.

Performs addition or subtraction on two fractions, displaying the result as a simplified fraction.

Converts numbers between standard decimal notation and scientific notation.

Converts numbers between decimal (base-10) and octal (base-8) number systems.