Franklin CBC-100 - Manual (Page 5)

5
Percent (%) Key Percent (%) Key Percent (%) Key Percent (%) Key
The automatic percentage function enables you to perform single
percentage calculations, mark-up calculations, ratios, and percentages of a
constant. Note:
Note: Note: Note: Before using the Percent (% % % %) key, press the A/F A/F A/F A/F key to
place the calculator in the floating decimal mode (AM symbol should not
appear in display).
For example, to find 5% of 115:
1. 1. 1. 1. Enter the number 115. Enter the number 115. Enter the number 115. Enter the number 115.
2. 2. 2. 2. Press the Multiplication (x Press the Multiplication (x Press the Multiplication (x Press the Multiplication (x) key. ) key. ) key. ) key.
3. 3. 3. 3. Enter the number 5. Enter the number 5. Enter the number 5. Enter the number 5.
4. 4. 4. 4. Press the Percent (%) key. Press the Percent (%) key. Press the Percent (%) key. Press the Percent (%) key.
5. 5. 5. 5. The answer The answer The answer The answer $5.75 $5.75 $5.75 $5.75 will display. will display. will display. will display.
6. 6. 6. 6. Press CE/C when you are finished. Press CE/C when you are finished. Press CE/C when you are finished. Press CE/C when you are finished.
Using Constants
The Checkbook Calculator’s Constant function enables you to make
repetitive calculations using the same number each time without reentering
that number for each calculation.
Using Constants in Multiplication and Division Using Constants in Multiplication and Division Using Constants in Multiplication and Division Using Constants in Multiplication and Division
The first number entered in a multiplication problem (multiplicand) and the
second number of a division problem (divisor) automatically become
constant.
constant. constant. constant. The constant is not erased until the multiplication or division
key is pressed again. Therefore, the constant number can be recalled by
pressing the equal key for further calculation without being input again.
Note
Note Note Note: Before using the constant function, press the A/F A/F A/F A/F key to place the
calculator in the floating decimal mode (AM symbol should not appear in
display).
For example, when you have to multiply many numbers by one constant
number:
3 x 3
3 x 4
3 x 5
3 x 6
1. 1. 1. 1. Enter the number 3. Enter the number 3. Enter the number 3. Enter the number 3.
2. 2. 2. 2. Press the Multiplication ( Press the Multiplication ( Press the Multiplication ( Press the Multiplication (x x x x) key. ) key. ) key. ) key.
3. 3. 3. 3. Enter the number 3 again, then press the Equal (=) key. Enter the number 3 again, then press the Equal (=) key. Enter the number 3 again, then press the Equal (=) key. Enter the number 3 again, then press the Equal (=) key.
The answer 9 will display.