( 2) f2 , f3, ) or calculation execution instruction is preceded by f, , f3 or ( .
Ex. SIN 2, 2 Y * “ 1, (+4, SIN), Y * =
(3) A numeral is preceded by a memory, n , ) or f2.
Ex. A2, 7t3 , (2 + 3)4, 223
End of supplementary 4 — Grammatical Errors
9. “Expression" Correction and Editing
The flickering cursor is used to correct and edit expressions,
a. Correction
Key in: 12 GED 3 EK3 2 GED Sin 30 □=□
Answer: 17.5 Press l pb l
The cursor is flashing over the =. If you wish to change the multiplier from 2 to 4, press the key
5 times until it covers the 2; now press 4; press l~= I (If is not necessary to move the cursor back)
Answer: 23.5
37
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