All Clear: Also referred to as a Full
Reset. Clears all memory and resets
to factory defaults.
Recall: Recalls stored values and set-
tings.
Percent Key: Four-functions. Used in
percent calculations.
Delta Percent: Calculates the percent
difference between two numbers.
Letter Grades: Used to enter a letter
grade. To review the points range for
a letter grade, press [Rcl], then the
letter grade key. To set a custom
scale for letter grades, refer to the
exercise,
“Enter a Custom Grade Scale”
in the
Custom Grade Scales
section.
F
A
+
–
Set
%
%
Rcl
Set
A/C
+
User’s Guide – 51
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