Operation Manual

20050401
u Math Input Mode Calculation Result Display
Fractions, matrices, and lists produced by Math input mode calculations are displayed in
natural format, just as they appear in your textbook.
Sample Calculation Result Displays
u Math Input Mode Input Restrictions
Note the following restrictions that apply during input of the Math input mode.
•Certain types of expressions can cause the vertical width of a calculation formula to be
greater than one display line. The maximum allowable vertical width of a calculation
formula is about two display screens (120 dots). You cannot input any expression that
exceeds this limitation.
1-3-15
Inputting and Editing Calculations
#Fractions are displayed either as improper
fractions or mixed fractions, depending on the
“Frac Result” setting on the Setup screen. For
details, see “1-7 Using the Setup Screen”.
# Matrices are displayed in natural format, up
to 6 × 6. A matrix that has more than six rows
or columns will be displayed on a MatAns
screen, which is the same screen used in the
Linear input mode.
#Lists are displayed in natural format for up to
20 elements. A list that has more than 20
elements will be displayed on a ListAns
screen, which is the same screen used in the
Linear input mode.
#Arrows appear at the left, right, top, or bottom
edge of the display to let you know when
there is more data off the screen in the
corresponding direction.
You can use the cursor keys to scroll the screen
and view the data you want.
# Pressing 2(DEL)1(DEL
•
L) while a
calculation result is selected will delete both the
result and the calculation that produced it.
# The multiplication sign cannot be omitted
immediately before an improper fraction or
mixed fraction. Be sure to always input a
multiplication sign in this case.
2
Example : 2 × —
5
c*$ccf
# A M, x, or !)(
x
–1
) key operation cannot
be followed immediately by another M, x, or
!)(
x
–1
) key operation. In this case, use
parentheses to keep the key operations
separate.
Example: (3
2
)
–1
(dx)!)(x
–1
)