|Batteries:||AA x 2|
Introduced: ca. 1976
This Casio scientific calculator has a fluorescent display, and a
slider to switch between modes. The display has no marker to
indicate that a number is stored in the calculator's memory so
it's up to the user to remember this. Other than that, the display
does show fractions and minute/second marks.
This calculator (as do many other Casio scientific calculators) uses one and the same key for both the constant π as well as exponents. This works as follows. When you first enter digits, the "EXP"-key will enable you to enter the numbers exponent, otherwise it will enter the constant π.
©2009 Ernst Mulder