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Casio

Casio Scientific Calculator fx-991ZA Plus

RRP: R367.95
R294.95 (You save R73.00)

 Product Description

Natural Textbook Display. 433 FUNCTIONS. Two-way power
 
The Casio FX-991ZA PLUS is Casio's most advanced scientific calculator with 433 mathematical functions. This ever popular model is now available with Random Integers and an improved equation mode. The large Natural Textbook Display (Natural-V.P.A.M.) shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand.
 
Two-way power (Solar + Battery)
Solar powered when light is sufficient, battery powered when light is insufficient.
 
Plastic keys
Designed and engineered for easy operation.
 
Natural V.P.A.M. display
Display expression same as textbook.
 
List based STAT-data editor
Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data.
 
Multi-replay
Quick and easy recall of previously executed formulas for editing and re-execution.
 
10 + 2 digits
10-digit mantissa + 2-digit exponential display.
 
Dot matrix display
High-resolution screen provides beautiful looking graphs every time.
 
Features
  • 433 Functions
  • Non-Programmable
  • Q1, Med, Q3 calculations in statistics
  • Dual table mode - f(x) & g(x)
  • Min / Max in EQN MODE
  • No Solution / infinite solutions in EQN MODE
  • Previous answer key
  • n-th Power of a complex number
  • Distribution calculation mode
  • Prime factorisation
  •  Auto power off - 10min / 60min

General information:

  • Display: Natural Textbook Display, Natural V.P.A.M.
  • Power supply: solar powered with an auxiliary battery with a hard case
     

Basic Functions:

  • Trigonometric and Inverse Trigonometric Functions
  • Hyperbolic and Inverse Hyperbolic Functions
  • Exponential / Logarithmic
  • Power Functions
  • Fraction Calculations
  • Sexagesimal Functions 

Special Feature:

  • Base-n Calculations
  • 40 Scientific Constants
  • 40 Metric Conversions

Calculus

  • Numerical Differentiation / Integration
  • ∑ Calculation

Algebra

  • Calculation with √ / π symbol including simplifying radicals
  • Simultaneous Equations
  • Polynomial Equations
  • Table Function
  • Matrix / Vector Calculations

Geometery

  • Coordinate Conversion

Probability

  • Permutation Conversion

Statistics

  • Statistical Calculations (Standard Deviation)
  • Statistical Calculations (regression Analysis)
  • Distributions

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fx-991ZA PLUS
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