Supplementary 1 - priority level
The m achine, provided w ith a fu n ctio n th at judges the p rio rity level o f individu a l ca lcula
tions, perm its keys to be operated according to a given m athem a tical form u la . The
fo llo w in g shows th e p rio rity level o f ind iv id u al calculations.
Ex. Key operation and sequence o f calculation in 5 + 2 x sin 30 + 24 x 5 3
5 L + ] 2 (X ] 30 frtof f+ 1 24 [~xl 5 fjff) 3 f= 1
Level
<1)
< 2)
<3)
(4)
(5)
(6)
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Operations pr~
----------
-
—
• Single-variable fu nctio ns w h ich are calculated as entered lik e sin. In, 1 0 ^ Vl) (5)
1/x,x2.
• M u ltip lic a tio n cleared o f " x " instru ctio n located ju s t before storage
m em ory or u . (such as 2tr, 4 K ,) „ r~\ .
M u ltip lic atio n cleared of " x " in struction lo ca ted just before the (oper num bers T ~ (6) in d ica te s the sequence in w hich the ca lculation s are carried
parenthesis).
&
x, f- (C alculation s w hich are given th e same p rio rity level are executed if
4 _ sequence.)
= , M+
14
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