Standard Scientific Calculators

fx-991ZA PLUSII-SDT

Specifications

Product features

Non Programmable

Non Graphing
Product type

Non Programmable

Non Graphing
Number of digits

10 + 2 digits
Liquid crystal display

Natural textbook display

Dot matrix display
Key characteristics

Plastic keys
Key functions

Negative Sign

Power Off
Memory

Variables: 9

Answer Memory

Previous Answer Memory

Memory Protection

Reset Function
Power supply

Solar & Battery

Approximate battery life Main 3 years

Auto Power Off

Display format settings

Number Format: Fix

Number Format: Sci

Number Format: Norm

Engineering Notation

Fraction / Decimal Conversion

Angle Unit (Degree, Radian, Gradian)

Improper/Mixed Fraction

Sexagesimal/Decimal Conversion

Digit Separator

Basic calculation

Basic Calculation

Bracket Calculation

Fraction Calculation

Remainder Calculation

Degree, Minute, Secound (Sexagesimal) Calculations

Reciprocal Calculation

Percent Calculation (scientific calculator function)

Factorial Function

π

Calculation with √ and π

Rounding Function
Advanced calculation

Transcendental number: e

Base-n calculation

Logical Operators

Complex number calculation

Matrix calculations

Vector calculations

Ratio calculation

Numeric Table

Simultaneous Equation

Polynomial Equation

Inequality Calculations

List based STAT-data editor

1-Variable statistics

2-Variable statistics and regression

Distribution Calculations
Applied calculation

Multi-statement Command (:)

Continuous Calculation

Replay Function

Multi-replay Function

CALC Function

SOLVE Function

Basic functions

Basic Mathematical Functions

Absolute Value Calculation

Square and square root (x2/√)

Cubic and square root (x3/3√)

Power and radical root (xy/x√)

Trigonometric, inverse trigonometric (sin/cos/tan/sin–1/cos–1/tan–1)

Hyperbolic, inverse hyperbolic (sinh/cosh/tanh/sinh–1/cosh–1/tanh–1)

Exponential, logarithmic (log, ln, 10x, ex)

Base specified logarithmic

Coordinate Conversion

Combination / Permutation

GCD / LCM

Prime Factorization

Random Number Generation

Random Integer Generation

Summation

Differentiation Calculation

Integration calculation
Physics- and chemistry-related functions

Scientific Constants

Metric conversion function

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