5
4

3

2

1

0


 Top=____
push
35
push
75
push
21
pop
=>____
pop =>____
push
70
push
50
push
34
LO
________________


5
4

3

2

1

0


Top=____
push
73
push
85
push
21
push
45
pop
=>____
push
70
pop
=>____
push
65
LO
________________



Use a stack to Evaluate the following Postfix equations: (All equations use 1 digit numbers)



3 4 + 8 4 - + =

5
4

3

2

1

0


 Top=__________________

  8 5 4 6 3 - +  * +

5
4

3

2

1

0


 Top=___________________
 8 2 / 4 5 6 1 - + * + =



5
4

3

2

1

0


 Top=__________________


4 3 * 8 5 - /

5
4

3

2

1

0


 Top=____________________