1. Calculation of gas mileage for several consecutive fillups.

  2. The many ways of re-using previous calculations.

  3. Travel of a free falling object.

  4. Solving simple system of two linear equations using Cramer's rule.

  5. One solution of a polynomial equation using Newton's method.

  6. Evaluating a simple expression using Maclaurin series.

  7. How kids in Monte Carlo estimate Pi.

  8. Belt friction force on a pulley.

  9. Optimal body weight calculation using Devine's formula.