About Emraw 240 Function Scientific Calculator with Slide-On Case Scientific Calculator is large size screen and 12-digit display with simultaneous display of input and calculation results, which is very practical and comfortable, Without having to restart the entire process, the special feature of replay allows to go back and change the individual numbers of the equation, In addition your previous formula will be stored for calculate again, Protective hard case prevent the calculator from falling of accidentally rugged slide-off protective hard case Convert Weight: Gallons, fluid ounces, tablespoons, minims, liters, micro liters, acre feet, board feet, standard and metric cubic volumes, and more, Convert between tons, pounds, dry ounces, metric tons, grams, kilograms, nano grams, micro grams, grains, scruples, Convert between pounds per square foot, pounds per square inch, bars, kilo Pascal’s, mega Pascal’s, Convert between foot-pounds, inch-pounds, Newton-meters Multi Uses: 12 digits calculator used easy to carry and perfect for office, school or home and daily use in business, Student use it to solve the study problem and some people used it to solve the daily different mathematics problem, Perfect for students studying general math and science, per-algebra, algebra, geometry, trigonometry, statistics, biology, and chemistry, Quick and easy calculation suitable for any businessman, worker, teacher, student or anybody that needs make any sort of calculation from time to time Features 12 digit display and 240 calculation functions This scientific calculator is compact, light weight and easy to carry The calculator will be a good study gift for children Professional grade scientific calculator helps you explore math and science concepts Specially designed for students