Texas Instruments TI-30XA Scientific Calculator This is a previously USED Texas Instruments TI-30XA Scientific Calculator. Works as expected. Some light scratches on case and display area. Power_Sources - Battery Display_Notation - Numeric Number_Of_Display_Digits - 10 Display_Characters_X_Display_Lines - 10 x 1 Adds, subtracts, multiplies, and divides fractions entered in traditional numerator/denominator format Performs trigonometric functions, logarithms, roots, powers, reciprocals, and factorials Polar/rectangular conversions Once you get to a certain level of math classes, a regular old calculator just isn't good enough anymore--you need a high-functioning calculator that can perform algebraic, trigonometric, and statistical problems in addition to general mathematical tasks. The Texas Instruments TI-30XA scientific calculator can do this for you. It is extremely handy when it comes to figuring tricky fractions. It can add, subtract, multiply, and divide fractions when entered in a traditional numerator/denominator format. This calculator can also do a variety of conversions, from fractions to decimals, degrees to radians to grads, DMS to decimal to degrees, and polar to rectangular. The display screen holds up to 10 digits. All items are securely wrapped and shipped in a sturdy mailer to assure a safe journey. PLEASE NOTE: Colors of the photographed items may vary slightly from the actual color of the item as all monitors and screens are calibrated differently. Images may also magnify certain flaws that are not as noticeable to the naked eye. Please view all images carefully as they are part of the description and can give a detailed view of the piece. Payment Options Pay with your credit card through PayPal. Payment must be received within 5 days of sale. We reserve the right to relist items that are not paid within 5 days. Shipping Information Shipping charges will be per the shipping calculator. Delivery is via USPS Priority Mail in the continental USA, which is a 2 - 3 day service or USPS First Class Mail for packages under 16 oz or USPS Media Mail for Books, CD's and other media . International orders will ship via USPS Priority Mail International or USPS First Class Mail International for packages under 4 pounds. Other methods of shipment are available upon request. Returns