CASIO FX-991ES Advanced Scientific Calculator
Superior scientific calculator - Ideally suited for advanced mathematics. Natural display technology to show expressions as they appear in textbooks. Permitted for all UK examinations - ideal for A-level and Higher Grade.
Natural Textbook Display
TwinLine LCD dot matrix display
403 functions
Plastic keyboard
Mantissa + EXP: 12 + 2
Auto power off
Battery life: 3 years
Slide-on protective case
7 memories
24 parenthese
Multi-replay function
Reset function
Degrees
Radians
Gradians
Percent (%) key
Square root key
Fractions
Trigonometrics (SIN/COS/TAN)
Logarithm
Roots & powers
Exponents
Reciprocals
Coordinate conversion
Degrees/minutes/seconds
Negative indicator
Hyperbolic
Table of a function
Expression editing
Backspace/delete
FIX/SCI/ENG
Complex numbers
Logic operations
DEC/HEX/BIN/OCT conversions
Numeric differentiation
Numeric integration
Formula solver
Equation solver
40 scientific constants
40 Metric / Imperial conversions
Matrices
Vectors
Factorials
Combinations
Permutations
Standard deviation
Linear regression
Logarithmic regression
Exponential regression
Power regression
Quadratic regression
Inverse regression
Random numbers
Normal distribution
List-based statistics data editor
Solar and battery power (LR44)
Dimensions (mm): 161 (H) x 80 (W) x 12.2 (D)
Suitable for ages 11+
Suitable for keystages 3, 4 & above
