6 Getting Started
Undo also recovers the values of a register, or registers, just
cleared using the CLEAR menu, if the undo operation immedi-
ately follows the cleared operation.
Using Menus
Sixteen of the keys are menu keys, keys which permit access to
more functions. These functions are displayed in Table 2.
Table 2 Menu Functions
Menu Name Menu Description
L.R.
¹% Linear regression and estimation.
,
¹(
Arithmetic mean of statistical x– and
y–values; weighted mean of statistical x–values.
s,σ
º+Sample and population standard deviation.
CONST
¹Ü Menu of 41 physics constants.
SUMS
º.Statistical data summations.
BASE º¶Base conversions (Base 2, 8, 10 and 16).
INTG
¹gSign value, integer division, remainder,
greatest integer, fractional part, integer part.
LOGIC
¹> Logical operators for base-n numbers.
FLAGS
¹·Functions to set, clear, and test flags.
x?y ¹¬ Comparison tests of the X–and
Y–registers.
x
y
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