Texas Instruments TI-83 PLUS - Manual (Page 18)

TI-83 Plus Operating the TI-83 Plus Silver Edition 15
1. Enter the part of the number that precedes the exponent. This value
can be an expression.
2. Press y D . å is pasted to the cursor location.
3. If the exponent is negative, press Ì , and then enter the exponent,
which can be one or two digits.
When you enter a number in scientific notation, the TI-83 Plus does not
automatically display answers in scientific or engineering notation. The
mode settings and the size of the number determine the display format.
Functions
A function returns a value. For example, ÷ , L , + , ‡ ( , and log( are the
functions in the example on the previous page. In general, the first letter of
each function is lowercase on the
TI-83 Plus . Most functions take at least
one argument, as indicated by an open parenthesis ( ( ) following the
name. For example, sin( requires one argument, sin( value ) .