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Basics
The toggle button enables switching between results:
• fraction ⇔ decimal
• square root ⇔ decimal
• π ⇔ decimal

 is the toggle command.

Question
What is  in decimal form?
Answer
0.75

Question
What is 0.75 in fraction form?
Answer

Input	Display	Comment
	blinker	clears screen
3  4
	0.75	Toggle
		Toggle
		Toggle

Question
What is √13 in decimal form?
Answer
3.605551275

Question
What is 3.605551275 in square root form?
Answer
√13

Input	Display	Comment
	blinker	clears screen
13	√13
	√13
	3.605551275	Toggle
	√13	Toggle
		Toggle

Question
What is 6 × π in decimal form?
Answer
18.84955592

Question
What is 18.84955592 in π form?
Answer
6π

Input	Display	Comment
	blinker	clears screen
6 ×	6*π
	6π
	18.84955592	Toggle
	6π	Toggle
		Toggle

Practice – Questions
1.  What is  in decimal form?

2.  What is 0.375 in fraction form?

3.  What is  in decimal form?

4.  What is 0.833333333 in fraction form?

5.  What is √11 in decimal form?

6.  What is 3.31662479 in square root form?

7.  What is 4 × √5 in decimal form?

8.  What is 8.94427191 in square root form?

9.  What is 3 × π in decimal form?

10.  What is 9.424777961 in π form?

Practice – Answers
1.  0.375

2.  

3.  0.833333333

4.  

5.  3.31662479

6.  √11

7.  8.94427191

8.  4√5

9.  9.424777961

10.  3π