
typing aids (for example, (SIN) types SIH< )). Other commands are
executed immediately (for example, fSTol or fj^(PURGEl).
Program-Entry Mode. (Activated when you press f« »1 or
and indicated by the PRG annunciator.) Program-entry
mode is used primarily for entering programs and lists. It’s also
used for command-line editing (SICMID)- In Program-entry mode,
function keys and command keys act as typing aids (for example,
(sin 1 types SIN, an
types STO). Only non-programmable
operations are executed when you press a key (for example, (ENTER)
(^Afo), or r^(ENTRYl).
■ Algebraic/Program-Entry Mode. (Activated when you press CD
while in Program-entry mode, and indicated by the FiLG and i-'F;G
annunciators.) Algebraic/Program-entry mode is used for keying
algebraic objects into programs.
To change entry modes manually:
■ Press (T^fENTRY).
Pressing (r^( entry") switches from Immediate-entry to Program-entry
mode, and between Program-entry and Algebraic/Program-entry
modes.
Immediate
entry
!r»i I ENTRY
Program
entry
ENTRY
Algebraic/Program
entry
ENTRY
(t^(ENTRY) allows you to accumulate commands in the command
line for later execution. For example, you can manually invoke
Program-entry mode to enter 4 5 + T into the command line, and
then press (ENTER) to calculate c/4 + 5- fr^fENTRY) also makes it
easier to edit algebraic objects in programs.
Example: Calculate 12 — log(lOO) by including the LOG command
in the command line.
Step 1: Enter the command line.
12 (SPCl 100 ¡rR(ENTRY")
12 100 LOG 4
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Entering and Editing Objects 2-9
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