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F-789SGA allows you to input a single calculation with up to 99
bytes. Normally, one byte is used each time you press one of
the numeric keys, arithmetic keys, scientific function keys or
. Some functions require 4 – 13bytes. , , and the
direction keys will not use up any bytes.
When the remaining input capacity is less than 10bytes, the
input cursor will change from “ ” to “ ” signaling that the
memory is running now.
Input Editing
New Input begins on the left of display. When the input data
is more than 15 characters (Line Mode) / 16 characters
(Math mode), the line will scroll to the right consecutively.
You can scroll back to the left by using and to review
the input.
In Line mode, press to let the cursor jump to the
beginning of input, press to jump to the end.
In Mathematics mode, press to let the cursor jump to the
beginning of input when it is at the end of the input
calculation. Or press to let the cursor jump to the end of
input when it is at the beginning of the input calculation.
Omit the multiplication sign and final close parenthesis.
Inputting Expressions and Values
*1. Omit multiplication sign (x)
- Input before an open parentheses : 1 x (2+3)
- Input before scientific functions that includes parentheses:
2 x cos(30)
- Input before Random number function
- Input before Variable (A, B, C, D, X, Y, M), π, θ
Example: 2 x log 100 x (1+3) = 16
Including *1,
*2, *3
Omitting *1,
*3
2xlog(100) x (1+3)
16
*2
*1
2log(100)(1+3)
16
Operation 1: Display 1
Operation 2: Display 2
3
Input Capacity