Calcsandmore.com
Scientific calculator with 240 mathematical functions and 2-line display, ideal for high school students. Robust design with hard protective case and plastic keys.
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| Basic information | ||||||
|---|---|---|---|---|---|---|
| Name | SC 2040 RD | 570MS | 10s+ | EL-531X | EL-531XH | EL-531TH |
| Manufacturer | Rebell | Rebell | HP | Sharp | Sharp | Sharp |
| Color | White-red | Black | White | |||
| Type of packaging | Box | Box | Blister | |||
| Basic features | ||||||
| Display Type | 2 lines | 2 lines | 2 lines | 2 lines | 2 lines | 2 lines |
| Number of Display Digits | 12 | 10 + 2 | 10 | 10 | 10 | 10 |
| Power Source | battery | battery | solar and battery | battery | battery | battery |
| Battery Type | LR44 x1 | LR44 x1 | LR44 x1 | LR44 x1 | AAA x1 | AAA x1 |
| Automatic Power Down | yes | yes | yes | yes | yes | yes |
| Keys | eubber | plastic | plastic | plastic | plastic | plastic |
| Protective Case | yes | yes | yes | yes | yes | yes |
| Dimensions (mm) | 155 x 70 x 18 | 155 x 80 x 16 | 147 x 77 x 15 | 158 x 80 x 14 | 158 x 80 x 14 | 161 x 80 x 15 |
| Weight (g) | 117 | 120 | 92 | 95 | 101 | 115 |
| EAN code | 8595179507983 | 8595179504975 | 886112957261 | |||
| Mathematical functions | ||||||
| Number of built-in features | 240 | 240 | 240 | 272 | 272 | 273 |
| 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 | yes | 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) | no | no | no | no | no | no |
| System of Linear Equations | no | no | no | no | no | no |
| Matrix and Vector Calculations | no | no | no | no | no | no |
| Numeric Derivative and Integral | no | no | no | no | no | no |
| Complex numbers calculation | no | no | no | no | no | no |
| Training (DRILL) Function | no | no | no | no | 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 | no | no | no | yes | yes | yes |
| Logical Operation (AND, OR, NOT, NEG, XOR) | no | no | no | yes | yes | yes |
| Scientific functions | ||||||
| Metric Conversions | no | no | no | no | no | no |
| Physical Constants | no | no | no | no | no | no |
