408
Regression: number of data; mean of
x; mean of y; standard deviation of x (two
types); standard deviation of y (two types); sum of x; sum of y; sum of squares of x;
sum of squares of y; sum of squares of x and y; constant term; regression coeffi-
cient; correlation coefficient; Med-Med calculations; regression graphs (linear re-
gression graph; Med-Med graph; quadratic/cubic/quartic regression graph; logarith-
mic regression graph; exponential regression graph; power regression graph)
Plotting of scatter diagrams; drawing of xy line graphs
Programming
Input, storage, recall, execution of programs in program area; editing and deletion of
file names and program contents; recall by file name; secret feature
Program commands:
Loop (If, For, Do, While); Control (Prog [subroutine], Stop, nesting up to 10 levels);
Unconditional jump (Goto, Lbl); Conditional jump (⇒); Count jump (Isz, Dsz); Rela-
tional operators (=,
GG
GG
G
, >, <, ≥, ≤); Clear (ClrText, ClrGraph, ClrList); Display (function
graph, statistical graph, Dynamic Graph, Table & Graph, recursion calculation and
graph); I/O (Locate, Getkey, Send, Receive); Input (?); Output (^); Delimiter (:)
General Commands:
Matrix (4); function graph (15); Dynamic Graph (3); function table (5); recursion table
(13); list (2); statistical (42)
Check Function: program check, debugging, etc.
Program capacity: 26 kbytes (max.)
Data Communications
Functions:
Program contents and file names; function memory data; matrix memory data; list
data; variable data; Table & Graph data; graph functions; equation calculation coef-
ficients
Method: Start-stop (asynchronous), half-duplex
Transmission speed (BPS): 9600 bits/second
Parity: none
Bit length: 8 bits
Stop bit:
Send: 2 bits
Receive: 1 bit
Appendix F Specifications
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