### Related

##### pfeformat-true

(3/4) * x^2 - (1/2) *...

pfeformat:true;

(3/4) * x^2 - (1/2) *...

Calculate

##### pfeformat-true

a: matrix [[1,3], [2,...

pfeformat: true;

a: matrix [[1,3], [2,...

Calculate

##### pfeformat-true

a: matrix [[1,3], [2,...

pfeformat: true;

Calculate

##### pfeformat-true

eq1: (3/4) * x^2 - (1...

pfeformat: true;

eq1;

Calculate

##### pfeformat-tex-true

(3/4) * x^2 - (1/2) *...

pfeformat:true;

(3/4) * x^2 - (1/2) *...

Calculate

? pfeformat;

Calculate

##### pfeformat-true

a: matrix [[1,2]];

pfeformat: true;

a;

Calculate

##### pfeformat-true

eq1: (3/4) * x^2 - (1...

pfeformat: true;

Calculate

##### pfeformat-true

pfeformat: true;

m:[[1,2,3],[a,4,7],[...

inverse(m);

Calculate

eq1:x*4+y-2=y;

rat(eq1);

eq1;

Calculate

### pfeformat

Run Example
```(%i1)eq1:x*4+y-2=y;
(%o1)                           y + 4 x - 2 = y
(%i2) rat(eq1);
(%o2)/R/                        y + 4 x - 2 = y
(%i3) eq1;
(%o3)                           y + 4 x - 2 = y
(%i4) pfeformat: true;
(%o4)                                true
(%i5) eq1;
(%o5)                           y + 4 x - 2 = y
(%i6) ```
Run Example
```pfeformat: true;
(%o1)                                true
(%i2)  m:matrix([1,2,3],[a,4,7],[1,5,7]);
[ 1  2  3 ]
[         ]
(%o2)                             [ a  4  7 ]
[         ]
[ 1  5  7 ]
(%i3) display(invert(m));
[ 1  2  3 ]
[         ]                            7
invert([ a  4  7 ]) = matrix([- -----------------------------,
[         ]              3 (5 a - 4) + 2 (7 - 7 a) - 7
[ 1  5  7 ]
1                              2
-----------------------------, -----------------------------],
3 (5 a - 4) + 2 (7 - 7 a) - 7  3 (5 a - 4) + 2 (7 - 7 a) - 7
7 - 7 a                           4
[-----------------------------, -----------------------------,
3 (5 a - 4) + 2 (7 - 7 a) - 7  3 (5 a - 4) + 2 (7 - 7 a) - 7
3 a - 7                          5 a - 4
-----------------------------], [-----------------------------,
3 (5 a - 4) + 2 (7 - 7 a) - 7    3 (5 a - 4) + 2 (7 - 7 a) - 7
3                           4 - 2 a
- -----------------------------, -----------------------------])
3 (5 a - 4) + 2 (7 - 7 a) - 7  3 (5 a - 4) + 2 (7 - 7 a) - 7

(%o3)                                done
(%i4) ```
Run Example
```pfeformat: true;
(%o1)                                true
(%i2)  m:matrix([1,2,3],[a,4,7],[1,5,7]);
[ 1  2  3 ]
[         ]
(%o2)                             [ a  4  7 ]
[         ]
[ 1  5  7 ]
(%i3) inverse(m);
[ 1  2  3 ]
[         ]
(%o3)                        inverse([ a  4  7 ])
[         ]
[ 1  5  7 ]
(%i4) ```

### Related Help

Help for Pfeformat