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General| Memory | 1 memory register |
|---|---|
| Year Introduced | 1981 |
| Type | Scientific calculator |
| Power Source | 9V battery |
| Functions | Basic math, memory, square root, percent |
Explains the calculator's input method and expression handling.
Lists the various math operations and functions available on the calculator.
Instructions for powering on, charging, and initial calculator setup.
Details using data keys and clearing entries or calculations.
Using secondary and inverse functions on calculator keys.
Explains fundamental arithmetic operation keys like +, -, x, ÷, =.
Explains calculation priority and using parentheses for control.
Covers 10^x, e^x, angle modes, and trig functions.
Covers square roots, universal powers, and percentage calculations.
Using STO and RCL keys to manage memory registers.
Lists common error indicators like flashing displays and their causes.
Detailed reasons for display flashing and calculation errors.
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