Casio fx-250HC User Manual page 21

Clear (retains memory) ......................... k
Number input ........................................ 0 – 9, l
Power off ............................................... i
Power on; All clear ................................ t
Sign change .......................................... E
•
Memory
Memory in ............................................. Y
Memory minus ...................................... A {
Memory plus ......................................... |
Memory recall ....................................... Z
•
Special
Decimal-to-sexagesimal ........................ A O
Display/memory swap ........................... A N,
............. A d
Exponent ............................................... e
Internal rounding ................................... A b
Parentheses .......................................... O, P
Pi (3.1415926536) ................................ A x
Select mode .......................................... F
Sexagesimal-to-decimal ........................ I
Shifts key functions ............................... A
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