![EL-510R](../../image/non-pro/510_bt.gif)
![EL-531RH/509RH/531R/509R](../../image/non-pro/531_bt.gif)
![531](../../image/non-pro/531r_bt.gif)
![EL-520R](../../image/non-pro/520_bt.gif)
![EL-506R](../../image/non-pro/506_bt.gif)
![EL-500L](../../image/non-pro/500_bt.gif)
![EL-530L](../../image/non-pro/530_bt.gif)
![](../../image/non-pro/side_pl2.gif)
![Where to contact](../../image/non-pro/wh_bt.gif)
![Classroom materials](../../image/non-pro/clas_bt.gif)
![](../../image/non-pro/side_pl2.gif)
![back to intro](../../image/non-pro/intr_bt.gif)
![](../../image/non-pro/side_pl2.gif)
![](../../image/non-pro/side2.gif) |
Display |
Dot matrix |
12 x 1 |
Segment (Mantissa + Exponent) |
10 + 2 |
Calculation results (Mantissa + Exponent) |
10 + 2 |
Physical |
Battery (approx. life) |
AA x 2 (15,000 hrs.) LR44 x 2 (2,500 hrs.) |
Dimension (W x D x H) |
EL-531RH/531R: 84 x 157 x 21.7 mm EL-509RH/509R: 84 x 145 x 16.5 mm (EL-531RH/531R: 3-5/16" x 6-3/16" x 7/8" EL-509RH/509R: 3-5/16" x 5-23/32" x 21/32") |
Weight (approx.) |
EL-531RH/531R: 150 g EL-509RH/509R: 97 g |
![](../../image/non-pro/1x1.gif) |
Memories | 7 |
Functions | 183 |
Max. pending operation (Calculations/Numeric values) | 16/8 |
Equation |
Multi-line playback |
Yes |
Constant calculation |
Yes |
Chain calculation |
Yes |
Functions |
FSE display |
Yes |
Last digit correction |
Yes |
Last entry recall |
Yes |
Last answer recall | Yes |
, +/-, EXP | Yes |
yx, , x2, , x-1 |
Yes |
In, log, ex, 10x |
Yes |
sin, cos, tan, sin-1, cos-1, tan-1 |
Yes |
sinh, cosh, tanh, sinh-1, cosh-1, tanh-1 | Yes |
n!, nPr, nCr | Yes |
Random |
Yes |
Fraction calculations |
Yes |
Fraction/Decimal conversion |
Yes |
r , xy | Yes |
DEG, DMS | Yes |
Statistics |
1/2-variable statistics |
1/2 |
Regression models |
1 |
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