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E-8
Correcting and Clearing an Expression
To delete a single character or function: Move the cursor so it is directly to
the right of the character or function you want to delete, and then press Y.
To insert a character or function into a calculation: Use d and e to
move the cursor to the location where you want to insert the character or
function and then input it.
To clear all of the calculation you are inputting: Press A.
Toggling Calculation Results
Each press of F will toggle the currently displayed calculation result between
its fraction form and decimal form, its ' form and decimal form, or its π
form and decimal form.
π ÷ 6 =
1
6
π
= 0.5235987756
7/ 6 = 0.5235987756
F
1
6
π
(
'
2
+ 2) ×
'
3
=
'
6 + 2
'
3
= 5.913591358 K
(! 2 e+ 2 )*! 3 =
'
'
6 + 2
'
3
F
5.913591358
Important: • Depending on the type of calculation result that is on the display
when you press the F key, the conversion process may take some time to
perform. • With certain calculation results, pressing the F key will not convert
the displayed value. • You cannot switch from decimal form to mixed fraction
form if the total number of digits used in the mixed fraction (including integer,
numerator, denominator, and separator symbols) is greater than 10.
Note: With MathO, pressing 1= instead of = after inputting a calculation
will display the calculation result in decimal form. Pressing F after that will
switch to the fraction form or π form of the calculation result. The ' form of
the result will not appear in this case.
Basic Calculations
Fraction Calculations
2
+
1
=
7
3 2 6
2 ' 3 e+ 1 ' 2 =
7
6
or ' 2 c 3 e+' 1 c 2 =
7
6
1
=
1
2 2
4 − 3
4 -k 3 e 1 c 2 =
To switch a calculation result between improper fraction and mixed
fraction form: Press j.
Note: When manual fraction simplification is specified, this operation is
disabled and fractions are always displayed as improper fractions.
To switch a calculation result between fraction and decimal form:
Press F.
1
2
1
2