
Elektronika MK-61 Calculator Operating Instructions
12
Draft version 1.0 – Oct.2014
Please send corrections to Jose Mesquita ([email protected])
5.2.
Additional symbols for shifted keys
,
- The
F,
CF
combination cancels the shift key selection.
,
- The
F,
LST x
(
F, Вх
) combination retrieve the previous value of X after an
operation execution.
,
;
,
-
The
F,
RUN
(
F, АВТ
) combination selects the “RUN” mode,
while
F,
PRG
(
А, ПРГ)
enters into the "PROGRAM” mode.
,
;
,
;
,
;
,
These four key combinations
x<0
,
x=0
,
x≥0
,
x≠0
gives direct access to the four
corresponding logic conditions.
,
;
,
;
,
;
,
These four key combinations
F, DSNZ0 (F, L0)
,
F, DSNZ1 (F, L1)
,
F, DSNZ2 (F, L2)
,
F, DSNZ3 (F, L3)
allows loop control by using conditional direct branch depending on
the contents of register 0, 1, 2 or 3, respectively.
,
- The
F, R↓
combination rotates data thru the 4-stack registers.
,
;
,
;
,
;
,
;
,
- From left to right, these five key combinations allow to determine:
The integer part:
K, INT
(
K, [x]
)
The fractional part of a number:
K,
FRAC
(
K, {x}
)
The absolute magnitude:
K, |x|
The sign:
K,
sign
(
K,ЗН
)
Find the maximum of two numbers:
K,
max