Calcsandmore.com
The EL-520X performs over 419 advanced scientific functions and utilizes a 2-line display and Multi-Line Playback to make scientific equations easier for students to solve. It is ideal for students studying general math, algebra, geometry, trigonometry, and calculus. In addition, it can be used for statistics, biology, chemistry, and physics. Hard cover protects from scratches.
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| Basic information | ||||||
|---|---|---|---|---|---|---|
| Name | EL-520X | EL-506X | EL-506W BK | EL-W506X | EL-531XG | EL-506TS |
| Manufacturer | Sharp | Sharp | Sharp | Sharp | Sharp | Sharp |
| Color | Black | Black-green | ||||
| Type of packaging | Box | Box | ||||
| Basic features | ||||||
| Display Type | 2 lines | 2 lines | 2 lines | dot matrix | 2 lines | 2 lines |
| Number of Display Digits | 10 | 10 | 10 | 16 | 10 | 10 + 2 |
| Power Source | solar and battery | solar and battery | solar and battery | solar and battery | solar and battery | solar and battery |
| Battery Type | LR44 x1 | LR44 x1 | LR44 x1 | LR44 x1 | LR44 x1 | LR44 x1 |
| Automatic Power Down | yes | yes | yes | yes | yes | yes |
| Keys | plastic | plastic | plastic | plastic | plastic | plastic |
| Protective Case | yes | yes | yes | yes | yes | yes |
| Dimensions (mm) | 158 x 80 x 14 | 158 x 80 x 14 | 126 x 72 x 8 | 168 x 80 x 14 | 158 x 80 x 14 | 161 x 80 x 15 |
| Weight (g) | 94.5 | 83 | 96 | 98.5 | 95 | 110 |
| EAN code | 4974019024110 | 4974019921068 | ||||
| Mathematical functions | ||||||
| Number of built-in features | 419 | 469 | 469 | 556 | 272 | 470 |
| Entry System | Algebraic (D.A.L.) | Algebraic (D.A.L.) | Algebraic (D.A.L.) | Algebraic (D.A.L.) | Algebraic (D.A.L.) | Algebraic (D.A.L.) |
| 1/x, x², square root, % | yes | yes | yes | yes | yes | yes |
| Pi Key | yes | yes | yes | yes | yes | yes |
| GCD, LCM | no | no | no | no | no | no |
| Integer division with remainder | no | no | no | no | no | no |
| Fraction calculations | yes | yes | yes | yes | yes | yes |
| Function Table | no | no | no | no | no | no |
| Equation Solver (Newton) | yes | yes | yes | yes | no | yes |
| System of Linear Equations | yes | yes | yes | yes | no | yes |
| Matrix and Vector Calculations | no | yes | yes | yes | no | yes |
| Numeric Derivative and Integral | yes | yes | yes | yes | no | yes |
| Complex numbers calculation | yes | yes | yes | yes | no | yes |
| Training (DRILL) Function | no | no | no | yes | no | no |
| Memory | ||||||
| Multi-Line Playback | yes | yes | yes | yes | yes | yes |
| Last Answer Function | yes | yes | yes | yes | yes | yes |
| Memory Variables | 9 | 9 | 9 | 9 | 9 | 9 |
| Notation and number of decimal places | ||||||
| FSE Display (SCI, FIX, ENG) | yes | yes | yes | yes | yes | yes |
| 3-Digit Punctuation | yes | yes | yes | yes | yes | yes |
| Statistical functions | ||||||
| 1-Variable Statistics | yes | yes | yes | yes | yes | yes |
| 2-Variable Statistics | yes | yes | yes | yes | yes | yes |
| Regression Calculations | yes | yes | yes | yes | yes | yes |
| Mean, Standard Deviation | yes | yes | yes | yes | yes | yes |
| nCr, nPr, n! | yes | yes | yes | yes | yes | yes |
| Random numbers generator | yes | yes | yes | yes | yes | yes |
| Gonometric functions | ||||||
| Deg, Rad, Grad Modes | yes | yes | yes | yes | yes | yes |
| Sin, Cos, Tan, and Inverses | yes | yes | yes | yes | yes | yes |
| Hyperbolic Functions | yes | yes | yes | yes | yes | yes |
| Sexagesimal and Decimal Conversions | yes | yes | yes | yes | yes | yes |
| Rectangular and Polar Coordinates Conversions | yes | yes | yes | yes | yes | yes |
| Numerical systems | ||||||
| Bin, Pen, Oct, Hex, Dec | yes | yes | yes | yes | yes | yes |
| Logical Operation (AND, OR, NOT, NEG, XOR) | yes | yes | yes | yes | yes | yes |
| Scientific functions | ||||||
| Metric Conversions | yes | yes | yes | yes | no | yes |
| Physical Constants | yes | yes | yes | yes | no | yes |
