A financial calculator, standard calculator, and adding machine with many features including: loan and investment calculations (annuities), the ability to stay on top; commas in the entry box; Micro Window; toggle between two window sizes; tape displ...

Escaping Jail is a medieval puzzle that challenges logical thought. This puzzle, originally made from wood, contains 5 rectangles and 5 squares that are held within a container. You must maneuver the largest square from top to bottom by sliding the o...