Omitting The Multiplication Sign - Casio fx-50F User Manual

A Omitting the Multiplication Sign
You can omit the multiplication sign in the following cases.
• Immediately before an open parenthesis: 2 × (5 + 4)
• Immediately before a scientifi c function with parentheses: 2 × sin(30), 2 × ' (3)
• Before a prefi x symbol (excluding the minus sign): 2 × h123
• Before a variable name, constant, or random number: 20 × A, 2 × π , 2 ×
A Final Closed Parenthesis
You can omit one or more closed parentheses that come at the end of a calculation,
immediately before the w key is pressed.
Example: (2 + 3) × (4 – 1) = 15
• Simply press w without closing the parentheses. The above applies to the closing
parentheses at the end of the calculation only. Your calculation will not produce the correct
result if you forget the closing parentheses that are required before the end.
A Scrolling the Screen Left and Right
Inputting a mathematical expression that has more than 16 characters in it will cause the
screen to scroll automatically, causing part of the expression to move off of the display. The
" b " symbol on the left edge of the screen indicates that there is additional data off the left
side of the display.
• While the b symbol is on the screen, you can use the
left and scroll the screen.
• Scrolling to the left causes part of the expression to run off the right side of the display,
which is indicated by the \ symbol on the right. While the \ symbol is on the screen,
you can use the
• You can also press
end.
A Number of Input Characters (Bytes)
As you input a mathematical expression, it is stored in memory called an "input area,"
which has a capacity of 99 bytes. This means you can input up to 99 bytes for a single
mathematical expression.
Normally, the cursor that indicates the current input location on the display is either a
fl ashing vertical bar (
is eight bytes or less, the cursor changes to a fl ashing box ( k ).
If this happens, stop input of the current expression at some suitable location and calculate
its result.
Input Expression
Displayed Expression
key to move the cursor to the right and scroll the screen.
to jump to the beginning of the expression, or
| ) or horizontal bar ( ). When the remaining capacity of the input area
(2+3)*
(4-1w
key to move the cursor to the
E-11
i
2 + 3 2 + 3 × ×
4 – 1 4 – 1
( ( ) ) ( (
12345 + 12345 + 12345
345 + 12345 + 12345I 345 + 12345 + 12345I
Cursor
to jump to the
15 15