Function Index
This section is a quick reference for all functions and operations and
their formulas, where appropriate. The listing is in alphabetical order
by the function's name. This name is the one used in program lines.
For example, the function named FIX n is executed as Bl disp | {FX}n.
Those functions that are not programmable have their names in key
boxes, such as [TJ-
Non-letter characters and Greek letters are alphabetized before all the
letters; function names preceded by arrows (e.g. -+DEG) are alphabet
ized as if the arrow were not there.
Function Name
Keys and Description
Page
+/-
Changes the sign of a number.
21
+
Addition. Aeturns y + x.
25
-
E)
Subtraction. Returns y - x.
25
X
0
Multiplication. Returns y x x.
25
-r-
s
Division. Returns y 4- x.
25
a
Deletes the last digit keyed in; clears x;
clears a menu; deletes a program step.
16. 19.
32, 83
I B
Displays previous entry in catalog; moves
program pointer to previous step.
33. 76
286
Function Index