Casio fx-82ES PLUS User Manual page 10

Calculations with percentages
By entering a value and pressing the entered value becomes a percentage.
Calculations with degrees, minutes, seconds (Sexagesimal)
By pressing you can switch between sexagesimal and decimal. Value input format
for the sexagesimal system: degrees , minutes , seconds . You must always
enter a value for degrees and minutes, even if they are zero.
Multiple expressions
You can use a colon (:) to join two or more expressions, and then evaluate those
expressions from left to right by pressing =.
Using the technical form of numbers
A simple key operation (ENG) can be used to convert the displayed value to the technical
state.
History of calculations
In COMP mode, the calculator remembers up to approximately 200 bytes of the latest
calculation data. Use the UP and DOWN arrows to scroll through the contents of the
history memory.
The contents of the calculation history memory are cleared whenever you press ON,
change to another calculation mode, change the displayed format, or perform any reset
operation.
Repetition
While the result of the calculation is shown on the display, you can press the RIGHT and
LEFT arrows to edit the expression used for the previous calculation.
Memory of the last result (Ans)
The last received calculation result is stored in Ans (last result memory). The memory
contents of the last result are updated whenever a new calculation result is displayed.