1
.
ENG
The TI
.
25X Solar Calculator
The TI
-
25X Solar calculator offers you a wide range of
mathematical and statistical capabilities. This manual
explains these capabilities.
Basic Operations
To turn the calculator on, expose the solar panel to
adequate light and press
+
([
ON
]).
Key
Function
+
([
ON
])
If the calculator is off, turns the unit on,
clears the display, and resets angle units to
degrees.
-
When pressed once during a calculation
(but before an operation key), clears the
displayed entry and any error condition (E).
You can make a new entry and continue
with your calculation.
Pressing
-
does not clear the memory,
statistics register, or angle-unit setting.
`
Instructs the calculator to perform the
second function (written above the key) of
the next key pressed.
