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The fx-991ES PLUS 2nd edition packs 417 functions behind a Natural Textbook Display that shows fractions, roots and integrals exactly as they appear on the page. Solar-plus-battery power and a slide-on hard case suit it to daily student use.
- Natural Textbook Display shows expressions and results in standard math notation
- 417 built-in functions covering algebra, trigonometry and statistics
- Integration, differential, matrix, vector and complex-number calculations
- List-based statistics with standard deviation and regression analysis
- CALC and SOLVE functions, table function and base-n calculations
- 9 variable memories plus independent and answer memory
- Solar and battery power (approx. 3-year battery life) with slide-on hard case
| Product type | Non-programmable, non-graphing |
|---|---|
| Number of functions | 417 |
| Display | Natural textbook display, dot matrix |
| Number of digits | 10 + 2 |
| Variables | 9 |
| Memory | Independent (M / M+ / M−), answer memory, memory protection, reset |
| Keys | Plastic, 2-key rollover |
| Power supply | Solar & battery, approx. 3-year battery life, auto power off |
| Dimensions (D × W × H) | 161.5 × 77 × 11.1 mm |
| Weight | 95 g |
| Included | Slide-on hard case |
| SKU | FX-991ESPLSC2-S-CT |
The fx-991ES PLUS 2nd edition packs 417 functions behind a Natural Textbook Display that shows fractions, roots and integrals exactly as they appear on the page. Solar-plus-battery power and a slide-on hard case suit it to daily student use.
- Natural Textbook Display shows expressions and results in standard math notation
- 417 built-in functions covering algebra, trigonometry and statistics
- Integration, differential, matrix, vector and complex-number calculations
- List-based statistics with standard deviation and regression analysis
- CALC and SOLVE functions, table function and base-n calculations
- 9 variable memories plus independent and answer memory
- Solar and battery power (approx. 3-year battery life) with slide-on hard case
| Product type | Non-programmable, non-graphing |
|---|---|
| Number of functions | 417 |
| Display | Natural textbook display, dot matrix |
| Number of digits | 10 + 2 |
| Variables | 9 |
| Memory | Independent (M / M+ / M−), answer memory, memory protection, reset |
| Keys | Plastic, 2-key rollover |
| Power supply | Solar & battery, approx. 3-year battery life, auto power off |
| Dimensions (D × W × H) | 161.5 × 77 × 11.1 mm |
| Weight | 95 g |
| Included | Slide-on hard case |
| SKU | FX-991ESPLSC2-S-CT |
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