Sharp IQ-8900 - Manual (Page 178)

Changing part of a calculation
1. Move to the line you want to change using .
2. Enter the new operator and value then press
3. Press again to get the new answer.
Deleting a line
1. Move to the line you want to delete using .
2. Press .
3. Press to get the new total.
Date Using the application, you can calculate the period
calculation of time (in days) between two specific dates, and also
determine what the date will be a certain number of days
before or after a specific date.
Calculating the number of days between two dates
1. Touch to call the date calculator.
The current date is the default starting date.
If you want the calculation to start from the current date,
skip step 2 below.
Starting date
2. Touch CANCEL to clear the starting date field and enter
the desired starting date. Prefix a single-digit month or
date with a 0.
You can also modify a specific part of a date by touching
it, then entering the desired numbers.
3. Touch
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