Allows for communication between two calculators, either by wire or by infrared, where someone on one calculator can type a message and someone on the other calculator can read it.
Contains several functions, including a chronometer by pressing A, a count-down timer with B, a periodic beep with C, an alarm with D, and a ticking clock with E.
Tracks dates for people, such as birth dates or anniversary dates.
Yet another Battleship implementation.
Shows the Brazilian flag and a map of the country.
Tracks appointments and allows you to set alarms for them.
Allows for communication between two calculators, either by wire or by infrared, where someone on one calculator can type a message and someone on the other calculator can read it.
Contains several functions, including a chronometer by pressing A, a count-down timer with B, a periodic beep with C, an alarm with D, and a ticking clock with E.