Replay Function; Error Position Display Function; Memory Calculation - Citizen SR-270N Instruction Manual

(Note) : The blinking cursor " " means the calculator is in insert
mode On the contrary, the blinking cursor is displayed as
"_" and it means the calculator is in overwrite mode.
To clear all characters, clear all input character by [

Replay function

• This function stores the latest operation executed. After execution
is completed, pressing [ 2nd ] [ ] or [ 2nd ] [ ] key will display the
operation from the beginning or the end. You can continue moving
the cursor by [ ] or [ ] to edit it. To delete a digit, press [ DEL ]. (
or, in overwrite mode, just type over the digit). See Example 1.
• The replay function can keep input digits up to 256 characters for
The calculator. After execution is completed or during entering,
you can press either [2nd ] [ ] or [2nd ] [ ] to display previous
input steps and edit values or commands for subsequent execu-
tion. See Example 2.
(Note) : The replay function isn't cleared even when [
pressed or power is turned off, so contents can be re
called even after [ ON / ] is pressed.
AC

Error position display function

• When a mathematically illegal calculation is performed, error posi-
tion display function will tell you with the cursor where the error
is. Press [ ] or [ ] to move the cursor and then give it a correct
entry. You can also clear an error by pressing [
re-entered the values and expression from the beginning. See
Example 3.

Memory calculation

Independent memory
• Press [ M+ ] to add a result to running memory. Press [ 2nd ] [ M–
] to subtract the value from running memory. To recall the value
in running memory, press [ 2nd ] [ RCL ] [ M ]. To clear running
memory, press [ 0 ] [ STO ] [ M ]. See Example 4.
(Note) : Besides pressing [ STO ] key to store a value, you can
also assign values to memory variable M by [ M+ ] or [ M– ].
Memory variable
• The calculator has nine memory variables for repeated use : A, B,
C, D, E, F, M, X, Y. You can store a real number in any of the nine
-E5-
ON
/ ] key.
AC
ON
/ ] is
AC
ON / ] and then
AC