Sharp EL-509E Operation Manual page 63

[Temporary memories (A-F, X and Y)]
Press O and a corresponding variable key to store a value
in memory.
Press R and a corresponding variable key to recall a
value from the memory.
To place a variable in an equation, press K, followed by a
desired variable key.
[Independent memory (M)]
In addition to all the features of temporary memories, a value
can be added to or subtracted from an existing memory value.
Press ªOM to clear the independent memory (M).
[Last answer memory (ANS)]
The calculation result obtained by pressing = or any other
calculation ending instruction is automatically stored in the
last answer memory.
Note:
• Calculation results from the functions indicated below are
automatically stored in memories X or Y. For this reason,
when using these functions, be careful with the use of
memories X and Y.
• Random function ................. Y memory
• →rθ, →xy ................................ X memory (r or x),
• Temporary memories and last answer memory are cleared
even when the same mode is reselected.
• Use of R or K will recall the value stored in memory
using up to 14 digits.
A=56
B=68
A÷2+B×4=
24÷(8×2)=
(8×2)×5=
$150×3:M
1
+)$250:M =M
2
×5%
–)M
2
M
ª 56 OA
68 OB
KA/ 2 +
KB* 4 =
ª 8 * 2 OM
24 /KM=
KM* 5 =
ªOM
150 * 3 ;
250 ;
+250
1
R M * 5 @ %
@:RM
Y memory (θ or y)
– E-13 –
56.
68.
300.
16.
1.5
80.
0.
450.
250.
35.
665.