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Used with trigonometric func-
tions for arc hyperbolic calcu-
lations.
Trigonometric / Inverse
Trigonometric function keys
Press for the desired trigono-
metric function. Press 2ndF
first for inverse trigonometric
functions.
Display Format Exchange /
Tabulation key
Press to change display for-
mat from floating point to sci-
entific notation and back
again.
Press 2ndF, TAB, then a digit
to specify the number of deci-
mal tab places in the dis-
played result.
Degree / Radian / Grad
selector / angular unit con-
version key
Use to calculate trigonometric
and coordinate conversion. The
DRG key changes the angular
mode with each press:
DEG -> RAD -> GRAD -> DEG.
DEG MODE - Entries and
results are in decimal degrees.
RAD MODE - Entries and
results are in radians.
GRAD MODE - Entries and
results are in grads.
Functions the same as the
DEG key. The displayed num-
ber is converted into a number
of the specified angular mode.
Hyperbolic / Arc Hyperbolic
key
Used with trigonometric func-
tions for hyperbolic calcula-
tions.
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