Every tool in this category is free โ runs in your browser, files never leave your device.
Four percentage modes โ percent of a number, ratio, change, and VAT/discount
Math & EducationCalculate SSC/HSC GPA (with 4th subject rule) and university CGPA on a 4.0 scale
Math & EducationConvert numbers to words in English and Bangla โ with Taka-Paisa cheque mode
Math & EducationCalculate the Greatest Common Divisor (GCD/HCF) for multiple numbers with step-by-step logic
Math & EducationCalculate the Least Common Multiple (LCM) for multiple numbers with step-by-step math logic
Math & EducationCheck if a positive integer is a prime number and view its divisors
Math & EducationCalculate the factorial of a positive integer with multiplication steps
Math & EducationDecompose positive integers into a product of prime numbers with exponential steps
Math & EducationExtract all integer factors of a number and calculate divisors sum and count
Math & EducationSolve quadratic equations ax^2 + bx + c = 0 showing discriminant calculations and roots
Math & EducationConvert fractions (numerator/denominator) into decimal values, highlighting repeating decimals
Math & EducationConvert decimal numbers (including repeating decimals) back into simplified fractions
Math & EducationAdd, subtract, multiply, and divide proper, improper, or mixed fractions
Math & EducationReduce fractions to their simplest mathematical forms using GCD steps
Math & EducationSimplify ratios A:B or scale ratio values to find equal proportions
Math & EducationSolve fraction proportion equality equations A/B = C/D for variable X
Math & EducationCalculate the arithmetic average (mean) of a set of numbers
Math & EducationAnalyze statistical properties of lists including mean, median, mode, and range
Math & EducationSolve single-variable linear equations ax + b = cx + d with step-by-step math solutions
Math & EducationFind the percentage growth or increase from an initial value to a final value
Math & EducationFind the percentage decay or drop from an initial value to a final value
Math & EducationCalculate the percentage increase or decrease client-side between two values
Math & EducationCalculate what a specific percentage of a given number is client-side
Math & EducationCalculate sample and population standard deviation client-side from a list of numbers
Math & EducationCalculate sample and population variance client-side from a list of numbers
Math & EducationFeature-rich browser scientific calculator with trigonometric, logarithmic, and memory functions
Math & EducationPerform matrix addition, subtraction, and multiplication client-side
Math & EducationCalculate determinants client-side for 2x2 and 3x3 matrices
Math & EducationCalculate base-10, natural (ln), and custom base logarithms client-side
Math & EducationCalculate antilogarithms client-side based on base and exponent values
Math & EducationCalculate base values raised to exponent powers client-side
Math & EducationCalculate square roots client-side for positive numbers
Math & EducationCalculate cube roots client-side for any real numbers
Math & EducationCalculate arbitrary nth roots client-side for given values
Math & EducationCalculate hypotenuse or leg lengths of a right triangle client-side (`aยฒ + bยฒ = cยฒ`)
Math & EducationCalculate triangle area client-side using base/height or 3-side lengths (Heron's formula)
Math & EducationCalculate circle area, circumference, and diameter client-side based on radius
Math & EducationCalculate the area and perimeter of a rectangle client-side
Math & EducationCalculate the area and perimeter of a square client-side
Math & EducationCalculate the area of a trapezoid client-side based on base and height dimensions
Math & EducationCalculate the area of a parallelogram client-side based on base and height
Math & EducationCalculate the volume and surface area of a sphere client-side
Math & EducationCalculate the volume and total surface area of a cylinder client-side
Math & EducationCalculate the volume and total surface area of a cone client-side
Math & EducationCalculate the volume and total surface area of a cube client-side
Math & EducationCalculate the volume and total surface area of a rectangular prism client-side
Math & EducationCalculate slope, line equation, and angle client-side between two points
Math & EducationCalculate the midpoint coordinates client-side between two points
Math & EducationCalculate the straight-line distance client-side between two coordinate points
Math & EducationCalculate your Cumulative Grade Point Average (CGPA) client-side by adding multiple semesters
Math & EducationConvert your CGPA to percentage scores client-side using standard university conversion formulas
Math & EducationCalculate the grade you need on your final exam client-side to achieve your target class grade
Math & EducationCalculate your percentage score client-side based on marks obtained out of total marks
Math & EducationCalculate class attendance percentages client-side and find classes needed to meet requirements
Math & EducationConvert Roman numerals client-side into modern Arabic numbers
Math & EducationConvert any number client-side into standard Roman numerals
Math & EducationConvert numeric values client-side into written English word representations
Math & EducationConvert numeric digits client-side into written Bengali words (เฆเฆฅเฆพเง เฆชเงเฆฐเฆเฆพเฆถ)
Math & EducationConvert written English numbers client-side into numeric digits
Math & EducationRound decimal numbers client-side to specified decimal places or significant figures
Math & EducationIdentify and count the number of significant figures client-side in any numeric string
Math & EducationCalculate joint independent event probabilities client-side (A and B, A or B, A given B)
Math & EducationCalculate permutations client-side based on population and sample size counts
Math & EducationCalculate combinations client-side based on population and sample size counts
Math & EducationPerform basic mathematical operations client-side on binary numbers
Math & EducationGenerate custom multiplication tables and practice grids client-side
Math & EducationPerform long division client-side with step-by-step visual calculations
Math & EducationExplore degree angles, radians, and trigonometric coordinates interactively
Math & EducationFind the typical school grade level placement client-side based on age or birth date
Math & EducationAdd, subtract, or multiply two polynomials client-side
Math & EducationCalculate the perimeter of common geometric shapes client-side
Math & Education