Scientific calculator with equation recall combines statistics and advanced scientific functions. Two-line display shows entries on the top line and results on the bottom line. Entry line on the top of the display shows up to 11 characters and can scroll left and right up to 88. Result line on the bottom shows up to a 10-digit answer and 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 and mixed numbers. Two-variable statistics allow you to enter, delete, insert, and edit individual statistical data elements. Calculator runs on solar and battery power.
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If you don't need all the options of an expensive graphing calc, but still need to do basic algebra & trig functions, this is the perfect buy. Has a double row display screen that allows you to look back to check your key strokes and back-up and change equations. My calc was acting up and I was planning to spend close to $100 on a graphing calc to replace it when I borrowed one of these from a co-worker...then went out and bought one the next day.
What's great about it: Does a lot but still easy to use and cheap.