180
Appendix
Appendix F Specifications
Model: fx-7400G
Calculations / Graph Function
Basic calculation functions:
Negative numbers; exponents; parenthetical addition, subtraction, multiplication, di-
vision (with priority sequence judgement function - true algebraic logic)
Built-in scientific functions:
Trigonometric/inverse trigonometric functions (angle units: degrees, radians, grads);
logarithmic/exponential functions; reciprocals, factorials; square roots; cube roots;
powers; roots; squares; negative signing; exponential notation input; π, parenthetical
calculations; internal rounding; random numbers; angle unit specification; fractions;
decimal-sexagesimal conversion; coordinate transformation; permutation; combina-
tion; number of decimal place and significant digit specification
Built-in functions:
Exponential notation range; delete, insert, answer functions; replay; memory status
display (bytes used/unused); multistatements; output command input
Fraction Reduction: Automatic, Step-by-Step
Differentials:
Extraction of derivative using differential from center point
List calculations:
Data sorting (ascending, descending); maximum value; minimum value; average,
median; sum; numeric sequence generation
Variables: 26
Calculation range:
±1 × 10
–99
to ±9.999999999 × 10
99
and 0. Internal operations use 15-digit mantissa.
Exponential display range: Norm 1: 10
–2
> |x|, |x| > 10
10
Norm 2: 10
–9
> |x|, |x| > 10
10
Rounding:
Performed according to the number of specified significant digits and decimal places.
Built-in function graphs (rectangular coordinate) :
sin, cos, tan, sin
–1
, cos
–1
, tan
–1
, log, In, 10
x
, e
x
, x
2
, ,
3
, x
–1
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