The scientific calculator with large display is solar-powered and programmable up to 40 steps. It has direct formula entry with program protection for future recall, 15 levels of parentheses and 67 pre-programmed functions.
Solar-powered calculator is programmable up to 40 steps. Direct formula entry with program protection for future recall. Fifteen levels of parentheses. Sixty-seven pre-programmed functions, including statistical, logarithmic, trigonometric, reciprocal, exponential, factorial, square root, cube root and standard deviation. Memory storage. Five-year warranty.