calculator use. calculator use - basic when you take out the casio fx-260 calculator, it will...
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Calculator Use
Calculator Use - Basic
• When you take out the Casio fx-260 calculator, it will automatically react to the light and you will normally see a “0” in the display panel along with the letters DEG. This means the calculator is in its default function for basic computations. If it does not display DEG and a “0,” you should press the key. This will return your calculator to the computation mode.
Calculator Use - Basic
Calculator Use - Basic
Calculator Use - Fractions
• You can find the answers to fraction problems by using the a b/c key on the Casio fx-260 calculator. It is the first key in the second row of keys.
Calculator Use - Fractions
• Enter the fraction 5/6 by:1. Entering the number 52. Pressing the fractions - a b/c – button3. Entering the number 6
You should now see 5_| 6 on the display. This is how the Casio fx shows fractions.
Calculator Use - Fractions
• To enter the mixed number :1. Enter the whole number – 22. Press the fractions key3. Enter the numerator – 54. Press the fractions key5. Enter the denominator – 8Your display should now show 2_|5_|8.This is how the Casio fx shows a mixed number.
€
25
8
Calculator Use - Fractions
• Convert improper fractions to mixed numbers and vice versa
1. Enter the improper fraction 16/3 and press the fractions key.
2. Leave the mixed number on the screen.3. Press the shift key followed by the fractions
key.
Calculator Use - Fractions
• Try converting these fractions to their alternate forms:
1. 12/52. 20/53. 1 ¾4. 63 ½5. 125/3
Calculator Use - Fractions
• Try converting these fractions to their alternate forms:
1. 12/5
2. 20/5 43. 1 ¾ 7/44. 63 ½ 127/25. 125/3
€
22
5
€
412
3
Calculator Use - Fractions
• To simplify or reduce a fraction to its lowest terms, you just enter the fraction and press the = key.
• Reduce:
€
4
24
€
18
81
€
125
500
€
30
89
Calculator Use - Fractions
• Reduce:
€
4
24→
1
6
€
18
81→
2
9 €
125
500→
1
4
€
30
89→
30
89
Calculator Use - Fractions
• Adding, subtracting, multiplying and dividing fractions is as simple as using the fractions key to enter the fractions and using the operation keys as usual. Try:
€
1
4×
3
9=
€
2
5+
1
4=
€
43
4÷
1
6=
Calculator Use - Fractions
• Adding, subtracting, multiplying and dividing fractions is as simple as using the fractions key to enter the fractions and using the operation keys as usual. Try:
€
1
4×
3
9=
1
12
€
2
5+
1
4=
13
20
€
43
4÷
1
6= 28
1
2
Calculator Use - Fractions
• To convert a fraction into a decimal1. Enter the fraction2. Press the equals (=) key3. Press the fractions key
Convert:
€
13
8=
€
5
6=
Calculator Use - Fractions
• To convert a fraction into a decimal1. Enter the fraction2. Press the equals (=) key3. Press the fractions key
Convert:
€
13
8=1.375
€
5
6= 8.333
Calculator Use - Fractions
• Try the worksheets on pages 124 and 128 in your book and check your answers against the answer key on BB.
• Do the GED Practice problems on pages 13-14 in the practice packet and submit your answers using the answer sheet on BB.