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Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Press to access the calculation screen.
1. Find five factorial or 5!.
STEP 1: Enter 5! by pressing 5 MATH C 7 .
STEP 2: Calculate by pressing ENTER .
The answer is 120.
2. Find the number of combinations of 2 from a group of 5.
STEP 1: Enter the large number 5 by pressing 5 .
STEP 2: Enter the combination symbol by pressing MATH C 6 .
STEP 3: Enter the small number 2 and calculate by pressing
2 ENTER .
The answer is 10.
Permutations are found in the same manner.
3. Randomly select a person from an ordered group of 10.
STEP 1: Access the random integer command by pressing
MATH C 2 .
STEP 2: Enter the lower bound of 1 by pressing 1
,
.
STEP 3: Enter the upper bound of 10 by pressing 1 0
)
.
STEP 4: Calculate the random person by pressing ENTER .
Answers will vary.
PROBABILITY
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