Educational

  • Add and Subtract Fractions Calculator
    Add or subtract two fractions instantly. Get the simplified result, the unsimplified fraction, and the decimal value with step-by-step formula.
  • Divide Fractions Calculator
    Divide two fractions instantly. Enter a/b ÷ c/d to get the simplified fraction and decimal answer using the keep-change-flip method.
  • Golf Course Handicap Calculator
    Convert your Handicap Index to a Course Handicap using slope rating, course rating and par. Free slope-based golf handicap calculator.
  • Required Run Rate (RRR) Calculator
    Calculate the required run rate (RRR) in cricket — the runs per over a chasing team needs to win. Enter target, current score and overs remaining.
  • True Shooting Percentage Calculator
    Calculate basketball True Shooting Percentage (TS%) from points, field goal attempts, and free throw attempts. Free, instant scoring-efficiency tool.
  • Binomial Probability Calculator
    Calculate binomial probability P(X=k) for n trials with success probability p. Get exact, cumulative probabilities, mean, variance and standard deviation.
  • Semester GPA Calculator
    Calculate your credit-weighted semester GPA on a 4.0 scale. Enter each course's grade points and credit hours to get your term GPA instantly.
  • Arithmetic Sequence & Series Calculator
    Find the nth term and the sum of an arithmetic series from the first term, common difference, and number of terms. Free, fast, and accurate.
  • Normal Distribution Probability Calculator
    Calculate normal distribution probabilities P(X<x) and P(X>x) from a value, mean and standard deviation using the standard normal CDF.
  • Slope Calculator
    Calculate the slope (m) between two points using m = (y2 − y1) / (x2 − x1). Also finds rise, run, angle, y-intercept and distance.
  • Simple Interest Calculator
    Calculate simple interest with I = P·r·t. Enter principal, annual rate and time to find interest earned and the total amount A = P(1 + rt).
  • Area of a Circle Calculator
    Calculate the area of a circle from its radius using A = πr². Also returns the diameter and circumference instantly. Free online geometry tool.
  • Area of a Triangle Calculator
    Calculate the area of a triangle from its base and height using A = ½ × base × height. Fast, accurate, and works with any units.
  • Grade Needed on Final Calculator
    Calculate the grade you need on your final exam to reach your target course grade. Enter your current grade, goal, and final exam weight.
  • MELD Score Calculator
    Calculate the MELD score (Model for End-Stage Liver Disease) from bilirubin, INR and creatinine to estimate liver disease severity and transplant priority.
  • qSOFA Score Calculator (Sepsis)
    Calculate the qSOFA (Quick SOFA) score for sepsis screening from respiratory rate, systolic blood pressure, and mental status. Score 0–3.
  • Glasgow Coma Scale (GCS) Calculator
    Calculate the Glasgow Coma Scale (GCS) score from eye, verbal, and motor responses. Get the total 3-15 score and severity classification instantly.
  • Fantasy Football Points Calculator
    Calculate fantasy football points from passing, rushing & receiving stats. Supports Standard, Half-PPR and Full PPR scoring with turnover penalties.
  • Wells Score Calculator for DVT
    Calculate the Wells Score for deep vein thrombosis (DVT). Add clinical criteria points and stratify pretest probability into low, moderate, or high risk.
  • Cricket Net Run Rate (NRR) Calculator
    Calculate a cricket team's Net Run Rate (NRR) from runs scored, runs conceded and overs faced and bowled. Free, instant NRR calculator.
  • Raw Score to Percentage Calculator
    Convert a raw test score to a percentage instantly. Enter correct answers and total questions to find your percent grade with this free calculator.
  • NET Score Calculator
    Calculate your net exam score with negative marking. Enter correct and wrong answers, marks per question, and penalty to get your final score.
  • TOEIC Score Calculator
    Calculate your total TOEIC Listening & Reading score by adding your scaled Listening and Reading scores (each 5–495) for a total of 10–990.
  • ACT Superscore Calculator
    Calculate your ACT superscore (US) from your best English, Math, Reading, and Science section scores across all test dates. Free and instant.

Categories