
LD9988 User Manual Page 75
Press
to move the cursor to “Result”
field.
Calculate 160+240-157=?
Input “160” and press
(i.e. “+”).
Input “240” and press
(i.e. “-”).
Input “157”, then press
(i.e. “=”)
or
to get the result “243.000”.
Another calculation:
240×2-144=?
Input “240” and press
(i.e. “×”).
Input “2” and press
(i.e. “-”).
Input “144”, then press
(i.e. “=”)
or
to get the result “336.000”.
Press
to move the cursor to the
field on the left screen to edit the
data inputted previously.
Press
to select the desired
calculation.
Press
to select the data to edit.
e.g. press
to select row 2.
Press
(i.e. “÷”), then input “8” to
change “+240” into “÷8”.
Press
(i.e. “=”) or
to get the
new result.
Press
to move the cursor to the
“Calculation” field. Input the number
of the desired calculation, then press
or
, the calculation will be
shown in the left side of the screen.