EC-4040  (650-0806)             Specifications         Faxback Doc. # 3474

Basic calculation functions:

Negative number, exponents, parentheticals addition/subtraction/
multiplication/division (with priority sequence judgement function - true
algebraic logic)

Built-in scientific functions:

Trigonometric/inverse trigonometic functions (units of angular
measurement: degrees, radians, gradients), hyperbolic/inverse hyperbolic
functions, logarithmic/exponential functions, powers, roots, squares,
square roots, reciprocals, cube roots, factorials, negative values,
exponents, pi, random numbers, internal rounding, faction functions,
decimal-sexagesimal conversions, coordinate transformations, engineering,
permutations/combinations, FIX, SCI, engineering symbol calculations (8
types).

Also includes these general functions: norm, delete, insert, replay,
equal symbol, and multistatements.

BASE-N calculations:

BASE-N conversions/calculations, logical operations, negative values
(complementary numbers).  (n=2, 8, 10, 16)

Statistics

Single-variable statistics-number of data, sum, sum of squares, mean,
standard deviation (two types).

Paired-variable statistics-number of data, sum of x, sum of y, sum of
squares of x, sum of squares of y, mean of x, mean of y, standard
deviation of x (two types), standard deviation of y (two types), constant
term, regression coefficient, correlation coefficient, estimated value
of x, estimated value of y.

Formula Memory:

Formula storage (maximum 79 steps), formula recall, formula execution.

Memory:

Independent memory, 9 value memories (including one independent memory),
Ans memory.

Calculation range:

+/-1 x 10 99~ +/-9.999999999 x 10 99 and 0.  Internal operation uses 12-
digit mantissa.

Rounding:

Performed according to the specified number of significant digits or the
number of specified decimal places.

Display:           16 digits dot matrix display, 10-digit mantissa plus 2-
                                                            digit exponent

Power source:                   One button-type battery (type; LR44, SR44,
                                UCCS76E, A76) Power consumption:  0.0001 W

Battery life:                        Approximately 4,000 hours (continuous
                                                use) on type SR44 battery.

                                     Approximately 2,000 hours (continuous
                                                use) on type LR44 battery.

Ambient temperature range:                  0 degrees C ~ 40 degrees C (32
                                                 degree F ~ 104 degrees F)

Dimensions:                            With cover: 19/32 x 3 1/8 x 5 21/32
                                   Without cover: 7/16 x 2 29/32 x 5 11/32

Weight:                                   65g. (2.3 oz.) including battery

(LB/all-12/15/94)