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19
Advanced Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1. Program the calculator to find the length of a three-dimensional vector and
the unit vector in the direction of the vector.
2. Create a new program with the name VECTOR. Enter the following program
and remember to press ENTER at the end of each line. If you make a
mistake, use the calculator’s editing features to correct the error.
3. Enter the following program:
Input A PRGM A 3 ALPHA A ENTER
Input B PRGM 3 ALPHA B ENTER
Input C PRGM 3 ALPHA C ENTER
Print “THE PRGM 1 PRGM 2
LENGTH IS 2ndF A-LOCK T H E SPACE L E
N G T H SPACE I S ENTER
√(A
2
+B
2
+C
2
)⇒L 2ndF √
(
ALPHA A x
2
+ ALPHA
B x
2
+ ALPHA C x
2
)
STO
ALPHA L ENTER
Print L PRGM 1 ALPHA L ENTER
Print “THE UNIT PRGM 1 PRGM 2
VECTOR IS 2ndF A-LOCK T H E SPACE U N
I T SPACE V E C T O R
SPACE I S ENTER
Print A÷L PRGM 1 ALPHA A ÷
ALPHA L ENTER
Print B÷L PRGM 1 ALPHA B ÷
ALPHA L ENTER
Print C÷L PRGM 1 ALPHA C ÷
ALPHA L ENTER
End PRGM 6 ENTER
VECTORS
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