Casio FX-991ES Plus-2nd Edition Scientific Calculator
The Natural Display (Natural-V.P.A.M.) shows mathematical expressions like roots and fractions as they appear in your textbook, and this increases comprehension because results are easier to understand
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Power Source: Solar, Battery
Number of Batteries: 1 LR44 batteries required. (included)
Item Dimensions LxWxH: 6.38 x 3.03 x 0.43 inches
Display type: 31 * 96 FULL DOT
Algebraic input logic: Natural V.P.A.M.
Number of characters/lines: 16/1+10/1
Significand function: 10+2
Variable memory: 9
Scientific constants: 40
Unit conversions: 40
Bracket levels: 24
Angle dimensions DEG/RAD/GRAD
Conversions between >DEG/>RAD/>GRAD
Coordinate transformation Pol ÷ Rec
Trigonometric functions sin/cos/tan/sin-1/cos-1/tan-1
Hyperbolic functions sinh/cosh/tanh/sinh-1/cosh-1/tanh-1
Exponent, log, In, 10x, ex
Mathematical functions √, x2, x-1, 1/x, x!, xy, x1/y
Calculations based on n (hexadecimal/decimal/binary/octal)
Logical operators (AND/OR/etc.)
Calculations in the sexagesimal system
Technical notation ENG/ENG
Calculation of complex numbers
Random number generator
Matrix calculation/vector calculation
Summation of ∑x, ∑x2
Summation of ∑x, ∑y, ∑x2, ∑y2, ∑xy
Standard deviations for grouped and ungrouped values
Permutations (nPr) and combinatorics (nCr)
Differential and integral calculus
Numerical integral calculus
Numerical differential calculus
Energy supply: Solar+Battery
Battery type: 1 x LR-44
Size (H x W x D mm): 11 x 77 x 162Weight: 95 g
Availability of models and/or lineups may differ depending on the country or region.
Technical amendments and errors excepted. The sizes in figures do not correspond to the original sizes.
The colours may differ slightly from the original.