Casio V.P.A.M fx-991s Podręcznik - Strona 9
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Drukuj stronę2/BEFORE BEGINNING CALCULATIONS
@ Formula Input (V.P.A.M. System)
The V.P.A.M. System of this calculator lets you sim-
ply input a formula just as it is written, and then press
the E& key to obtain the result. The execution of
arithmetic operations, functions and expressions wi-
thin parentheses are automatically performed in the
correct priority sequence.
*Be sure to press the Gig key before starting any new
calculation.
Example 1: 2 x (3 + 4) =
GS 2&3
tJ 3G9
Example 2: sin30 = 0.5
~f5—.
*Co
pound function
Art
ng contained. within, 'parentheses
@ Calculation Priority Sequence
The calculation priority sequence is used in mathemat-
ics to decide which operation should be performed first.
This calculator automatically assigns the calculation
priority sequence shown below.
(1) Type A Functions (where the value is entered first
and then the function key is pressed)
x, x', x!, NEG (in the BASE-N Mode)
2) Powers, roots
CoN
Coordinate conversions
_
R-P, PR
.
Permutations, conbinations
. aPr, nCr
(3) Type B Functions (where the function key is pressed
and then the value is entered).
Vv, Vv, log, In, €*, 10%, sin, cos, tan, sin~" , 60s"?
tan~', sinh, cosh,-tanh, sinh7', cosh" , tanh",
NOT {in the BASE-N Mode) -
-
(4) Multiplication, division ineand constant calcula-
tions)
©
=X, +.
*When functions with the same priority sequence are
used in series, they_are executed from right to left
[eXInv120-e* | in(v:120)}]. Other expressions of the
nang priority sequence are performed from left to
right
} In the Anse Mode
wy
2
Oey
tions are executed right to left. ~
highest priority.
:
as : are
Example:
|
_
2 + SREISGE seintaaae 6:8) = - 22wr
ds
hextRAD
2
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