Comparison Chart

Standard Models | fx-82EX | fx-350EX | fx-570EX | fx-991EX |
---|---|---|---|---|

Specifications | ||||

Number of functions | 274 | 274 | 552 | 552 |

Power supply | AAA × 1 (R03) | AAA × 1 (LR03) | AAA × 1 (R03) | Two-way power (Solar + LR44 × 1) |

Approximate battery life | 2 years^{*1} |
1 year^{*1} |
2 years^{*1} |
2 years (LR44)^{*1} |

Dimensions H × W × D (mm) | 13.8 × 77 × 165.5 | 13.8 × 77 × 165.5 | 13.8 × 77 × 165.5 | 11.1 × 77 × 165.5 |

Approximate weight (g) | 100 | 100 | 100 | 90 |

Case style | Slide-on hard | Slide-on hard | Slide-on hard | Slide-on hard |

Dot matrix display | 192 × 63 dots | 192 × 63 dots | 192 × 63 dots | 192 × 63 dots |

Mantissa + exponent digits | 10 + 2 | 10 + 2 | 10 + 2 | 10 + 2 |

Internal operation digits | 15 | 15 | 15 | 15 |

Nested parentheses levels | 24 | 24 | 24 | 24 |

Utilities | ||||

Natural textbook display / NATURAL-V.P.A.M. |
||||

Key rollover function | ||||

Replay function | ||||

Multi-replay functions | ||||

Backspace | ||||

CALC function | - | - | ||

SOLVE function | - | - | ||

Answer function | ||||

Variables | 9 | 9 | 9 | 9 |

Auto power off | ||||

UNDO | ||||

Digit separator | ||||

Multiline display | ||||

Special Features | ||||

Base-n calculations (Binary/Octal/Hexadecimal) |
- | - | ||

Logical operations | - | - | ||

Engineering symbol calculations | - | - | ||

Engineering notation (ENG/ENG) | ||||

Scientific constants | - | - | 47 | 47 |

Metric conversions | - | - | 40 | 40 |

Basic Functions | ||||

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, 10 ^{x}, e^{x}) |
||||

Base specified logarithmic | ||||

Square and square root (x^{2}/ √ ) |
||||

Cubic and cubic root (x^{3}/ ^{3}√ ) |
||||

Power and radical root (x^{y}/ x√ ) |
||||

Fraction | ||||

Percentage calculation (%) | ||||

Rounding | ||||

Sexagesimal ↔ decimal | ||||

Display format (FIX, SCI) | ||||

Angle unit (Degree, Radian, Gradian) | ||||

Angle unit conversion (Degree, Radian, Gradian) |
||||

Factorization into prime factors | ||||

Ratio calculation | - | - | ||

Calculus | ||||

Differentiation calculation | - | - | ||

Integration calculation | - | - | ||

Algebra | ||||

Simultaneous equation | - | - | (4 unknowns) | (4 unknowns) |

Polynomial equation | - | - | (Degree 2, 3, 4) | (Degree 2, 3, 4) |

Inequality calculation | - | - | ||

Table function | ||||

Matrix calculations | - | - | ||

Complex number calculation | - | - | ||

Geometry | ||||

Coordinate conversion (Pol, Rec) | ||||

Vector calculations | - | - | ||

Probability | ||||

Combination, permutation (nCr, nPr) | ||||

Statistics | ||||

Random numbers | ||||

Random integers | ||||

List-based STAT data editor | ||||

Standard deviation | ||||

Regression analysis | ||||

Linear regression | ||||

ab exponential regression | ||||

Other regression | Log, Exp, Pwr, Inv, Quad | Log, Exp, Pwr, Inv, Quad | Log, Exp, Pwr, Inv, Quad | Log, Exp, Pwr, Inv, Quad |

Advanced statistical distribution calculations | - | - | ||

Spreadsheet | ||||

Spreadsheet | - | - | ||

other | ||||

QR code | - | - |

*1 If used 1 hour daily

© 2015 CASIO COMPUTER CO., LTD.