1
Common functions and where to find them
The Basics: CASIO fx-83GT PLUS
Not all models have a solar cell
ALPHA
REPLAY
SHIFT
MODE / SETUP
Power of two
Powers
Convert fraction or square root to decimal
Square root
Negative
number
Clear screen
Delete last entry
Use previous answer
2
Common functions
The Basics: CASIO fx-83GT PLUS
BUTTON
NAME
FUNCTION
SHIFT
Access functions in yellow text above buttons.
ALPHA
Access functions in pink text above buttons.
MODE / SETUP
Choose calculation mode: COMP (general), STAT
(statistical and regression), TABLE (build number table from function) or VERIFY (true/false).
REPLAY
(up and down arrows)
Access previous calculations (not available in STAT mode). REPLAY
(left and right arrows)
Step into a previous calculation (to check or edit a calculation). All Clear
Clear screen for next calculation.
Delete
Delete item to the left of the cursor's position.
Standard to Decimal
Convert a fraction or square root answer to decimal.
Answer Memory
The result of the most recent calculation (can be used in the next calculation).
3
Setup for first use
The Basics: CASIO fx-83GT PLUS
EXPLANATION
OPERATION – PRESS BUTTONS
Switch on
Turn on computation mode
Turn on decimal notation
Turn off scientific notation
Turn off improper fraction notation
You only need to perform the above steps once. Some of the features described in these slides will not work unless you make these changes.
If you want to reset your calculator to the default settings, perform the following:
Restore default settings
4
Computation – fractions and decimals
The Basics: CASIO fx-83GT PLUS
EXPLANATION
3
5
OPERATION – PRESS BUTTONS
in decimals
0.6
3
5
Convert to fraction
7
4
RESULT
in decimals
1.75
Convert to fraction
1
7
3
4
The last result is "one