Student & Maths tools

15 free Student & Maths tools that run in your browser, including Typing Test, Fraction Calculator, Equation Solver, Statistics.

  • Typing Speed Test — Measure your typing speed and accuracy in English or Hindi (Unicode or Kruti Dev keys) with timed tests and a heat-map of missed keys.
  • Fraction Calculator — Add, subtract, multiply and divide fractions and mixed numbers, simplify, and convert between decimals and fractions — exact answers with steps.
  • Equation Solver — Solve linear, quadratic and higher-degree equations in x, or systems of two or three linear equations, with exact answers and worked steps.
  • Statistics Calculator — Paste a list of numbers to get the mean, median, mode, range, variance, standard deviation, quartiles, outliers and a frequency table.
  • GPA Calculator — Calculate your US GPA (weighted and unweighted) or your Indian SGPA and CGPA on the 10-point scale, with credits and cumulative totals.
  • Grade Calculator — Work out your weighted course grade and the score you need on the final exam to reach your target grade.
  • Attendance Calculator — See your attendance percentage and how many classes you must attend — or can skip — to stay above 75% or any required level.
  • Timetable Maker — Build a colour-coded weekly class or study timetable and download it as an image or PDF, or print it.
  • Graphing Calculator — Plot up to six functions, pan and zoom, find roots and intersections, see a table of values and save the graph as an image.
  • Flashcard Maker — Create flashcard decks, study them with Leitner spaced repetition, import or export CSV and print cards to cut out.
  • Citation Generator — Format references and in-text citations in APA 7, MLA 9, Chicago 17, Harvard or IEEE style and build a bibliography.
  • Multiplication Table — Show any multiplication table up to ×20, practise with a timed quiz and download printable PDFs of tables 1 to 100.
  • LCM and HCF Calculator — Find the LCM and HCF (GCD) of two or more numbers with prime factorisation, the division method and Euclid’s algorithm.
  • Prime Number Checker — Check whether a number of any size is prime, see its prime factorisation and the neighbouring primes, or list all primes in a range.
  • Matrix Calculator — Add, multiply and transpose matrices, and find the determinant, inverse, rank, RREF, powers and eigenvalues — exact fractions where possible.