E - 6
* [ SAVE ] lets you store values to variables.
* [ 2nd ] [ RECALL ] recalls the value of variable.
* [ 2nd ] [ CL-VAR ] clears all variables except
PROG
.
* [ 2nd ] [ CL-PROG ] clears the contents of
PROG
.
Order of operations
Each calculation is performed in the following order of precedence :
1) Expression inside parentheses.
2) Coordinates transformation, and Type B functions which are
required pressing the function key before entering, for example,
sin, cos, tan, sin
–1
, cos
–1
, tan
–1
, sinh, cosh, tanh, sinh
–1
,
cosh
–1
, tanh
–1
, log, ln, 10
X
, e
X
, √, NEG, NOT, X ’( ), Y ’( ).
3) Type A functions which are required entering values before
pressing the function key, for example, X
2
,
°‘ “
, !, X
–1
, %,
r, g.
4) Exponentiation ( ^ ),
X
√
5) Fractions
6) Abbreviated multiplication format in front of variables, π, RAND.
7) ( – )
8) Abbreviated multiplication format in front of Type B functions
2√3, Alog2, etc.
9) nPr, nCr
10) x , ÷
11) +, –
12) AND, NAND
13) OR, XOR, XNOR
14) Conversion (A
b
/
c
d
/
e
, F
D, DMS)
• When functions with the same priority are used in series,
execution is performed from right to left.
e
X
ln120→ e
X
{ ln (120 ) }
otherwise, execution is from left to right.
• Compound functions are executed from right to left.
• Anything contained within parentheses receives the highest
priority.
Accuracy and Capacity
Output accuracy : ± 10th digit
Internal digits : SRP-280 → 24 digits
SRP-285 → 14 digits
In general, every reasonable calculation is displayed up to 10 digits mantissa,
or 10-digits mantissa plus 2-digits exponent up to 10
± 99
.
Numbers used as input must be within the range of the given function as follow
:
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