- Two-way power (Solar + Battery)Solar powered when light is sufficient, battery powered when light is insufficient.Designed and engineered for easy operation.Display expression same as textbook.Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data.Quick and easy recall of previously executed formulas for editing and re-execution.10-digit mantissa + 2-digit exponential display.High-resolution screen provides beautiful looking graphs every time.Functions:New equation modeRandom integersFraction calculationsCombination and permutationStatistics (List-based STAT data editor, standard deviation, regression analysis)9 variablesTable functionComes with new slide-on hard case
Product Summary
- Product Type: Scientific Calculator
- Brand: Casio
- Model Name: FX-991ES Plus