1. Calculators in schools
Important to spend time building non-calculator skills. Should schools have a dedicated non-calculator exam ?
They aren’t going away => we need an intelligent way of dealing with them.
Pupils will have different makes of calculator => we, as teachers should be able to master most popular types of calculator.
School Policy on calculators: Each school should decide how to integrate the use of calculators into their school. Calculators in first year ? No calculators until Christmas of first year ? One particular type of calculator recommended by a school ?
Golden rule: Don’t do anything on the calculator that you haven’t already indicated on paper

2. Natural Display Calculator

5. Using the fraction capability
Example : Evaluate ¾ + ½
Right arrow arrow
Down arrow
Down arrow
Example : Evaluate 2¾ + ¼
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Right arrow arrow
Down arrow
Down arrow

6. Using the memory capability
Example : Store 6.8 in memory location X
Example : Evaluate X using the memory function
Task : 1) Store 3.8 in memory location Y
2) Use the memory function to evaluate X + Y
3) Change the numbers in memory X to 4 and memory Y to 5 and then evaluate X + Y, using the memory function
4) Evaluate 5X2 – 7x -1
5) Evaluate 4X3 +2X2 –x +4

7. Clearing all settings on the calculator
Yes
Re-set
Recommended decimal setting
Norm

8. Graph the function y=x2+3x-4 in the domain -5x2
Step 1: Go into table mode in calculator
Step 2: Set up function

9. Graph the function y=x2+3x-4 in the domain -5x2
Step 3: To set up lowest x co-ordinate
Step 4: To set up highest x co-ordinate
Step 5: To see table
Handout

10. TASKS
Try the following functions using the table mode
y = 3x in the domain  x  3
Graph the function f: x 7-5x-2x2 in the domain -4  x  2
Graph the function
TASKS:
Store 5 in memory and then use the memory recall function to evaluate 2x3-6x2+4x-9 when x is 5 ( Answer is 111 )
Evaluate (43) and also evaluate /6 ( Answers are and 3 )
6.4 x 107 – 1.2 x (Answer is )
Demonstrate the following limit