Accuracy, functionality, and dependability are three vital attributes that successful scientific projects require and the pocket-sized HP 33s scientific programmable calculator is designed to deliver them. It also features 31KB user memory, the choice of RPN and algebraic data-entry modes, a powerful two-line display, and the timesaving HP Solve application making it an ideal choice in scientific calculators.<br><br>- Features: Percentages and fractions-proper and improper<br>- Physical constants and units<br>- Angle modes and polar/rectangular conversions<br>- Trig, hyperbolics and probabilities<br>- Powers, roots, logs and exponentials<br>- Multiple-variable expression storage and evaluation<br>- 1- and 2-variable statistics, with regression<br>- Linear systems and quadratic solvers<br>- Ideal for: Ideal for engineers, surveyors, college students, scientists and medical professionals.<br>- Permitted for use on SAT I, SAT II Math IC/IIC, ACT, PSAT/NMSQT, AP Chemistry/Physics, PLAN, E This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-587-2122, indicating validated use in U.S. government and defense logistics supply chains.