Http://www.sharpusa.com/~/media/3F4ED1815067459995912CEE6A6A6DCB.ashx?cal_man_el1197P.pdf
You can download the required manual from:
http://www.retrevo.com/support/Sharp-EL-1197P-Calculators-manual/id/358bh050/t/2/
On the page which opens, click on GET MANUAL button and follow the instructions on next page to download the manual.
Hope this solves your problem. Thanks.
SOURCE: problems with my calculator sharp el-1197p
If the top button, third from the left is set to K it acts like a calculator. If you push it over to A it acts like an adding machine.
For an adding machine: type the number first then hit the function (i.e. +, -, x,...)
SOURCE: how to change date and time
Found Instructions for EL-1197PIII Calculator, think its the same thing
To set up date, time, conversion rate, and tax/discount
rate, place the switch at the "RATE SET" position.
Date:
· Enter in the order of month, day and year, then press
to complete the entry.
· Use
to separate month, day, and year.
· When
is pressed, the number entered is evaluated
and displayed as “date” if the value is within the
following range; “Error” is displayed otherwise, and the
previously set date is restored.
Month: 1 - 12; day: 1 - 31; Year: 2000 - 2099 (in 4
digits) or 00 - 99 (in 2 digits)
Time:
· Enter in the order of hour, minutes, then press
to
complete the entry.
(There is no entry available for the seconds value. The
clock starts at zero second.)
· If the hour/minute digit is less than 10, it is not
necessary to enter the first digit “0”.
· Use
to separate hour and minute values.
· When
is pressed, the number entered is evaluated
and displayed as “time” if the value is within the
following range; “Error” is displayed otherwise, and the
previously set time is restored.
Hour: 0 - 23 (24-hour system for the hour entry),
Minute: 0 - 59
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