Bill Foster
Member of the e-learning unit. Retiring at the end of September 2016.
Bill's activity
Bill Foster on Simplify logarithms 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on Simplify integers and rationals in Z_n 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on Simple combinations, 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on set5 - Cartesian Products 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on set4- 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on set3 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on Solve linear equations in the rationals and Z_n 7 years, 1 month ago
Gave some feedback: Ready to use
Bill Foster on Solve congruence in given range 7 years, 1 month ago
Gave some feedback: Has some problems
Bill Foster commented on Solve congruence in given range 7 years, 1 month ago
The Description in settings is incorrect it should read:
Solving an equation of the form $ax \equiv\;b\;\textrm{mod}\;n$ where $\operatorname{gcd}(a,n)|b$. In this case we can find all solutions. The user is asked for the least and the greatest solutions.
Bill Foster on Find the limit of an algebraic fraction 7 years, 2 months ago
Gave some feedback: Ready to use