Eddie's Math and Calculator Blog

The Product Formula Chart Aid: P = A × B A Learning and Memorization Aid A lot of mathematical formulas, basic relationships in ph...

Sum and Product Problem with the Casio fx-4000P The Sum and Product Problem For the numbers a and b with the sum s, and product p: a + b = s...

TI-92 Plus and TI-Nspire CX II:  List Filters For this particular post, I also have a TI-Nspire CX II CAS document which can be downloaded h...

HP 12C:   Last X:   Sums and Products Introduction It is possible to use the LST X feature on the HP 12C calculators assist us in quick...

HP 71B:  Product of f(x), Nested Radicals, How Much Can I Afford?, Cardiac Analysis Product of a Function ∏ f(x) Edit f(x) at line 10...

HP Prime:  Fun with Primes Prime Numbers A positive integer is a prime number if there the only integers that can divide that numb...