Scientific calculator with equation recall combines statistics & advanced scientific functions. Two-line display shows entries on the top line & results on the bottom line. Entry line on the top of the display shows up to 11 characters & can scroll left & right up to 88. Result line on the bottom shows up to a 10-digit answer & 2-digit exponent. Functions include common / natural logarithms, fractions, fraction / decimal conversions, degrees to decimal conversion, reciprocals, factorials, grads, hyperbolics, polar / rectangular conversions. Fraction feature allows operations with fractions & mixed numbers. Two-variable statistics allow you to enter, delete, insert, & edit individual statistical data elements. Calculator runs on solar & battery power.