b. Key in the following:
427 CB 54 S ] 32 CE 7 B 39 E l 2 t=D
Answer: 595.8571429
Note that multiplication and division have priority to addition and subtraction.
Supplementary — 1 priority level
The m achine, provided with a function that judges the priority level of individual calculations, perm its keys to be operated
according to a given algebraic formula. The follow ing shows the priority levei of individual calculations.
(1) (-)
(2) tr, Recall of m emory contents
(3) Single-term function preceded by numerals
(x2 , jc- 1 , rt!,-* D E G ,-> D .M S)
(4) Two-term function such as 2 A Y * 3 , that is directly preceded by m ultiplication cleared of “ X " instruction located just
before memory or 7T.
(nCr, nPr, Yx, , ->P OL, ->R EC )
6
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