(2) 4 2 + LOG (4 Y * 1.2 - 2.1 =
Functional buffer : 5-stage
Data buffe r 2-stage
• Instructions executable when read ou t in the course o f calculation are not stored in the fu n ction buffer.
(X2, x_1 , n!, — ► DEG, ->D .M S , =, M+, M -, =*M, STO, D ATA , CD, (x, y ), f )
Ex. A ction of bu ffer in calculation o f
1.2 + A x (3.5 + SIN B) Y * 3 =
A = 2.4, B = 30, DEG
Instruction X register
Data buffer
Function buffer
1 stage 2 stage
3 stage
4 stage
1 stage
2 stage 3 stage
4 stage
5 stage
1.2 1.2
+
1.2 1.2
+
A
2.4
1.2
+
X
2.4 2.4
1.2 X
+
(
2.4 2.4
1.2
(
X
+
9
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