__Correction mode__

The
correction mode is activated
in three ways :

1- By
pressing the left triangle, which
moves the cursor to the left
of the last symbol.

2- By
long pressing any of the symbols
in the formula, which moves the cursor
to the left of the symbol.

3- Errors in the formula when performing the calculation
(ENTER)

The
move of the cursor is done in three ways:

1- Pressing
the triangles.

2- By
long pressing any of the symbols
in the formula.

3- By
sliding your finger on the display or between
triangles.

To
exit correction mode, simply move the cursor to the right until it disappears or perform the calculation of the
formula by pressing « ENTER ».