Recent updates (To report bugs or issues, or to make suggestions, click on "Webmaster" near the top of the page): June 24 2024: Link to the old (long-neglected) game theory tool Dec 30 2023: New summary of systems of linear equations with randomizable interactive examples. May 7 2023: New tutorial on logistic and logarithmic functions (includes an adaptive game version). Aug 18 2022: Updated tutorial on solving polynomial equations (parts A and B). May 26 2022: Updated tutorial on the simplex method for standard maximization problems (now has two parts with an adaptive game version). March 25 2022: Updated tutorial on multiplying and factoring algebraic equations (Parts A, B, C) (includes an adaptive game version). March 25 2022: Updated tutorial on multiplying and factoring algebraic equations (Parts A, B, C) (includes an adaptive game version). March 7 2022: Updated tutorial on analyzing graphs (includes an adaptive game version). Jan 13 2022: Updated tutorial on derivatives of logs and exponentials (includes an adaptive game version). July 10 2021: Updated tutorial on maxima and minima (includes an adaptive game version). February 27 2021: Updated tutorial on exponential functions (includes an adaptive game version). February 27 2021: New tutorial on the number e and exponential growth and decay (includes an adaptive game version). January 2 2021: Updated tutorial on multiplying and factoring algebraic equations (Part A) (includes an adaptive game version). July 20 2020: New tutorial on Bernoulli trials and binomial random variables (includes an adaptive game version). July 5 2020: New tutorial on logarithms (includes an adaptive game version). June 1 2020: New tutorial on positive exponent, power, and simplest radical form (includes an adaptive game version). April 6 2020: New tutorial on the chain rule using Liebniz notation (includes an adaptive game version). October 29 2019: New tutorial on the chain rule (includes an adaptive game version). October 6 2019: New tutorial on radicals and rational exponents (includes an adaptive game version). September 26 2019: New tutorial on the cardinality of sets (includes an adaptive game version). September 11 2019: New tutorial on the product and quotient rule (includes an adaptive game version). June 30 2019: New tutorial on integer exponents (includes an adaptive game version). Februrary 23 2019: New tutorial on derivatives of powers, sums, and constant multiples (includes an adaptive game version). Februrary 11 2019: New tutorial on real numbers and operations (includes an adaptive game version). January 8 2019: New tutorial on sets and set operations (includes an adaptive game version and a Spanish version). October 25 2018: New summary of techniques of differentiation with randomizable interactive examples. August 16 2018: Updated version of the tutorial on calculating the derivative algebraically (includes an adaptive game version and a Spanish version). April 29 2018: New summary of average rates of change and introduction to the derivative with randomizable interactive examples. March 11 2018: Updated version of the tutorial on functions from the numerical, algebraic, and graphical viewpoints (includes an adaptive game version and a Spanish version). December 9 2017: Updated version of the tutorial on random variables and distributions (includes a game version and a Spanish version). October 28 2017: New version of the Pivot and Gauss-Jordan tool September 19 2017: New summaries of limits and continuous functions with randomizable interactive examples. September 11 2017: New tutorial on solving miscellaneous equations. September 8 2017: Updated version of the tutorial on quadratic functions and models (includes a game version and a Spanish version). March 16 2017: New version of function evaluator and grapher March 7 2017: New tutorial on areas between curves (includes a game version and a Spanish version). Feb 24 2017: New version of the algebra review tutorial on solving polynomial equations (includes an adaptive game version and a Spanish version). January 27 2017: Updated version of the tutorial on matrix inverses (includes an adaptive game version and a Spanish version). October 22 2016: Updated version of the tutorial on graphical solution of linear programming problems (includes an adaptive game version and a Spanish version). October 21 2016: New summary of math of finance with randomizable interactive examples. August 14 2016: New tutorial on graphing linear inequalities (includes a game version and a Spanish version). July 31 2016: New version of the algebra review tutorial on rational expressions added (includes an adaptive game version and a Spanish version). July 6 2016: New summary of nonlinear functions and models with randomizable interactive examples. April 21 2016: New version of tutorial on related rates (includes a game version and a Spanish version). April 15 2016: New summary of functions and applications with randomizable interactive examples.