Calculator Tools

Mathematical and calculation utilities

Unit Converter

Convert between different units of measurement

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Percentage Calculator

Calculate percentages, discounts, and markups

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Age Calculator

Calculate age between two dates

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BMI Calculator

Calculate Body Mass Index

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Days Weeks Hours Converter

Convert between days, weeks, hours, and other time units

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World Time Converter

Convert time between different time zones worldwide

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Square Root Simplifier

Simplify square roots by extracting perfect square factors

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Trigonometric Functions

Calculate sine, cosine, tangent, and their inverses

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Pythagorean Theorem

Calculate missing sides of right triangles

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Geometric Theorem Library

Comprehensive library of geometric theorems and formulas with step-by-step solutions

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Matrix Calculator

Perform matrix operations including addition, subtraction, multiplication, determinant, inverse, and more

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Scientific Calculator

Full-featured scientific calculator with trigonometry, logarithms, and history

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Quadratic Equation Solver

Solve quadratic equations ax²+bx+c=0 with step-by-step solutions

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Statistics Calculator

Calculate mean, median, mode, standard deviation, and more from a dataset

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Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step solutions

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Roman Numeral Converter

Convert between Roman numerals and Arabic numbers

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Prime Number Checker

Check if a number is prime and find prime numbers in a range

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Fibonacci Generator

Generate Fibonacci sequences and find any Fibonacci number

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Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal

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Tip Calculator

Calculate tip and split bill among multiple people

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Mortgage Calculator

Calculate monthly mortgage payments, total interest, and amortization

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Retirement Calculator

Estimate your retirement savings and monthly income at retirement age

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Fuel Cost Calculator

Calculate fuel cost and consumption for trips

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GPA Calculator

Calculate GPA from grades and credit hours

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Sleep Calculator

Calculate optimal sleep and wake times based on sleep cycles

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Aspect Ratio Calculator

Calculate and convert image and video aspect ratios

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Electricity Cost Calculator

Calculate electricity cost for appliances based on wattage and usage time

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