Comparison Chart
| Comparison Chart | Color Graphing Calculator | Graphing Calculator | ||||
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| Product | fx-CG50 | fx-CG20 | fx-9860GII / fx-9860GII SD | fx-9750GII | fx-7400GII | |
| [ Specifications ] | ||||||
| Number of functions | Over 3,000*1 | Over 3,000*1 | Over 2,900*1 | Over 2,800 | Over 2,100 | |
| Power supply | AAA / Ni-MH(recommended type only) |
AAA / Ni-MH(recommended type only) |
AAA | AAA | AAA | |
| Approximate battery life (hours) | 170 *2 | 140 *2 | 200 *3 | 230 *3 | 230 *3 | |
| Dimensions HxWxD(mm) | 18.6 x 89.0 x 188.5 | 20.6 x 89.5 x 188.5 | 21.2 x 91.5 x 184 | 21.3 x 87.5 x 180.5 | 21.3 x 87.5 x 180.5 | |
| Approximate weight (g) | 230 | 230 | 225 / 220 | 205 | 205 | |
| Case Style | Slide-on hard | Snap-on hard | Slide-on hard | Slide-on hard | Slide-on hard | |
| Dot matrix display | 216 x 384 | 216 x 384 | 64 x 128 | 64 x 128 | 64 x 128 | |
| Display capacity (Characters) | 21 x 8 | 21 x 8 | 21 x 8 | 21 x 8 | 21 x 8 | |
| Mantissa + exponent digits | 10 + 2 | 10 + 2 | 10 + 2 | 10 + 2 | 10 + 2 | |
| Icon menus |  |
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| Internal operation digits | 15 | 15 | 15 | 15 | 15 | |
| Nested parentheses levels | 26 | 26 | 26 | 26 | 26 | |
| Color display | (More than 65,000 colors) |
(More than 65,000 colors) |
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| Backlit display | |
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| SD card slot | － | － | － / |
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| USB port | |
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| I/O port (3pin) | |
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| Connection with PC | Mass storage | Mass storage | Program-Link software | Program-Link software | Program-Link software | |
| Direct connection to CASIO projectors | |
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| Examination Mode | |
(OS Update) |
(OS Update) |
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| [ Utilities ] | ||||||
| Natural textbook display / Natural-V.P.A.M | |
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| Key rollover function | |
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| Replay function | |
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| Multi-replay functions | |
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| Backspace | |
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| SOLVE function | |
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| Answer function | |
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| Variables | 28 | 28 | 28 | 28 | 28 | |
| Auto power off | |
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| [ Special Features ] | ||||||
| Base-n calculations (Binary/Octal/Hexadecimal) |
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| Logical operations | |
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| Engineering symbol calculations | |
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| Engineering notation (ENG/InverseENG) | |
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| Scientific constants | Physium(Add-in) | Physium(Add-in) | Physium(Add-in) | － | － | |
| Conversion (Metric) | |
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| [ Basic Functions ] | ||||||
| Trigonometric / Inverse trigonometric |
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| Hyperbolic / Inverse hyperbolic | |
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| Exponential / logarithmic | |
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| Base specified logarithmic | |
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| Power and radical root | |
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| Fraction | |
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| Rounding | |
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| Simplification | |
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| Integer division | |
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| GCD / LCM | |
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| Sexagesimal <－> decimal | |
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| Display format (FIX, SCI) | |
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| Angle unit (Deg, Rad, Gra) | |
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| Angle unit conversion (Deg, Rad, Gra) |
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| [ Calculus ] | ||||||
| Differentiation calculation | |
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| Integration calculation | |
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| [ Algebra ] | ||||||
| Simultaneous equation | ( 6 unknowns) |
( 6 unknowns) |
( 6 unknowns) |
( 6 unknowns) |
( 6 unknowns) |
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| Polynomial equation | ( Degree 2-6) |
( Degree 2-6) |
( Degree 2-6) |
( Degree 2-6) |
( Degree 2-6) |
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| Table function | |
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| Matrix calculations | |
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| Vector calculations | |
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| Complex number calculation | |
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| [ Graphing ] | ||||||
| 3D Graph | (Preloaded) |
(Add-in) |
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| Rectangular coordinate graph ( y=f(x) , x=f(y) ) |
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| Polar coordinate graph | |
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| Parametric graph | |
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| Inequality graph | |
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| Real time integration display | |
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| Dual screen | |
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| Conics graph | |
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| Dynamic graph | |
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| [ Geometry ] | ||||||
| Geometry Application | (Preloaded) |
(Preloaded) |
(Preloaded) |
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| Coordinate conversion (Pol, Rec) | |
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| Vector calculation | |
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| [ Probability ] | ||||||
| Combination, permutation (nCr, nPr) |
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| Random numbers | |
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| Random integers | |
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| Random Norm / Bin | |
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| Random sample | |
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| [ Statistics ] | ||||||
| List-based STAT data editor | |
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| Standard deviation | |
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| Variance | |
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| Regression analysis | |
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| Linear regression | |
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| ab Exponential regression | |
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| Other regressions | Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst | Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst | Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst | Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst | Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst | |
| Advanced statistics | |
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| [ Programming Functions ] | ||||||
| Program logic | (BASIC-like) |
(BASIC-like) |
(BASIC-like) |
(BASIC-like) |
(BASIC-like) |
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| Memory (bytes) | 61,000 | 61,000 | 62,000 | 62,000 | 20,000 | |
| Program areas | Up to memory | Up to memory | Up to memory | Up to memory | Up to memory | |
| Storage memory area (Flash memory) |
16MB | 16MB | 1.5MB | － | － | |
| [ Financial ] | ||||||
| Simple interest | |
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| Compound interest | |
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| Cash flow | |
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| Amortization | |
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| Conversion | |
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| Cost / sel / margin | |
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| Days calculation | |
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| Depreciation | |
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| Bond calculation | |
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| [ Spreadsheet ] | ||||||
| Spreadsheet Application | |
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| Conditional format | |
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| [ Other Application ] | ||||||
| eActivity | |
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| Recursion | |
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| E-CON | |
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| Probability Simulation | (Add-in) |
(Add-in) |
(Add-in) |
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| Periodic Table (Physium) | (Add-in) |
(Add-in) |
(Add-in) |
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| Picture Plot | (Preloaded) |
(Preloaded) |
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| Conversion (Metric) | (Preloaded) |
(Preloaded) |
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| Russian Language | (Add-in) |
(Add-in) |
(Add-in) |
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- *1 Changes when OS is updated.
- *2 Repeat of one-hour cycle of (1), (2), and (3) below.
(1)Menu display for 5 minutes (display brightness 3 for first 30 seconds and then 1 thereafter)
(2)Run Matrix mode calculation for 5 minutes(display brightness 3)
(3)Flashing cursor in Run-Matrix mode for 50 minutes(display brightness 3 for first 30 seconds and then 1 thereafter) - *3 Continuous operation (assuming 5 minutes calculation and 55 minutes display per hour)
