To change SIN 30 to COS 45, move the cursor to over the SIN and press COS 45 and G=D
Answer: 23.29289322
b. Deletion
Key in: 12 l + I 45 HU 78
To change the 45 to 5, press the cursor key 5 times until it covers the 4, press (2nd F) ldeli . The 4
will disappear and all remaining material in the display will shift automatically to the left.
c. Insertion
To insert material place the cursor over the item which will follow the insertion. Multiple insertions may
be made.
Key in 2 (vr l + l 4) l = I Display indicates error. A multiplication sign must be placed between the
2 and ( . Press I PB l . Move the cursor to over the ( . Press (2nd F) 1»ns| . An opening occurs on the
display and all material following the insertion automatically shifts to the right.
Press l X l and I = l
Answer: 14.28318531
38
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