Sony PEG-SJ33 Handbuch
Performing Arithmetic
10
Infinity Softworks
The Backspace (
←
) button allows for editing of numbers as they are
entered. Tapping this button removes the last digit entered (i.e., 54.32
becomes 54.3).
becomes 54.3).
Tapping the Clear Entry/Clear (CE/C) button once clears only the
currently entered number. Tapping it a second time clears the entire
computation.
currently entered number. Tapping it a second time clears the entire
computation.
Mathematics
Math functions are either one or two variable. Two-variable math,
such as add, subtract, multiply and divide, take two variables to
compute. One-variable functions, such as square root and reciprocal
(1/x), need only one variable to calculate. Many math functions are
visible on the screen. Others can be accessed via the “func” function
button.
such as add, subtract, multiply and divide, take two variables to
compute. One-variable functions, such as square root and reciprocal
(1/x), need only one variable to calculate. Many math functions are
visible on the screen. Others can be accessed via the “func” function
button.
One Variable Functions
Multiple one-variable math functions are supported, including square
root, x-squared, and reciprocal. These functions use only the value in
the main view window. For example, to calculate the square root of 8:
root, x-squared, and reciprocal. These functions use only the value in
the main view window. For example, to calculate the square root of 8:
Key
Display
Comments
C/CE
Tap twice to clear the display
8
8
√
x
2.83
The following are examples of one-variable math functions:
Operation
Example
Keystroke
Answer
Last
[last]
Recalls the last calculated answer
Logarithm
log(8)
8 [log]
0.90
Natural anti-log or
Exponential
Exponential
e
2
2 [e
x
]
7.39