College Calculators


  • Poisson Probability Distribution
  • Mean of Binomial Distribution
  • Standard Deviation of Binomial Distribution
  • Convert x to z
  • Margin of Error for Estimate of Mean
  • Sample Size for Estimate of Mean

  • Engineering

  • Electrical Resistance
  • Law of Uninhibited Growth
  • Newton's Law of Cooling
  • Heat Loss Through A Wall

  • Operations Research

  • Queueing Theory
  • Linear Programming

  • Productions & Operations Management

  • EOQ Calculator (Economic Order Quantity)
  • Quantity Discounts
  • Price Discount
  • Safety Stock Level
  • Target Stocking Level
  • Reorder Point

  • Online Calculator Free

    OnlineCalculatorFree.org provides easy to use quick reference online calculators that solve basic or scientific problems for school, business or personal use. I have been working on this site for a few months now, and while there are still a lot of calculators that I haven't created yet we offer quite a few. So far we cover the following areas of math; algebra, geometry, finance, health, statistics, math, loans, and more. Our calculators are online for free! If you have a suggestion, please contact us.