MODEL- HP33S              VENDOR- HEWLETT-PACKARD
    
FEATRES- HP 33s Scientific Calculator
       Ideal for engineers, surveyors, college students, scientists and 
        medical professionals.
       Accuracy, functionality, dependability. Scientific projects require 
        these vital attributes for success. The pocket-sized HP 33s 
        scientific programmable calculator delivers them - and more - with 
        features that include 31KB user memory, your choice of RPN and 
        algebraic data-entry modes, a powerful two-line display, and the 
        timesaving HP Solve application. Permitted for use on SAT I, SAT II 
        Math IC/IIC, ACT, PSAT/NMSQT, AP Chemistry/Physics, PLAN, EXPLORE.
    Includes calculator, batteries, user manual and pouch.
* Key features
   - 31KB RAM user memory 
   - Pocket-sized - take it anywhere 
   - Algebraic and RPN data entry. Reverse Polish Notation (RPN) 
     efficiently expresses calculation sequences without parentheses -- 
     reducing the number of keystrokes. 
   - HP Solve application - write and solve equations for any variable 
     without rewriting the original equation.
   - Edit, undo and delete capability 
   - Comfortable rubber side grips 
* Programming features
   - Keystroke programming 
   - FLAGS: 0-11; SF, CF, FS?
   - X?Y, X?,<, >, =, =, =, ? 
   - SHOW: press and hold [SHOW] to display CK=value length 
   - MEM: press [MEM] for the Catalog of program labels 
   - XEQ, R/S: execute a labeled program 
   - GTO, LBL, SOLVE, INPUT, VIEW, ISG, DSE, FN=, RTN, PSE key 
   - Solving and integrating programs 
   - 27-independent memory/storage and recall math statistics programs: 
     curve fitting, straight line, exponential, logarithmic and power.
* Statistical functions
   - one/two variable statistics 
   - linear regression 
   - S+: enter data point 
   - S-: remove data point 
   - SUM: n, Sx, Sy, Sx2, Sy2, Sxy 
   - S, s :, Sx, Sy, sx, sy 
   - x, y:x, y, xw 
   - L.R.: r, m, b, x', y' 
* Base-n function
   - binary, octal, decimal, and hexadecimal number calculation and 
     conversion.
   - complement calculation 
* Mathematical functions
   - trigonometric, inverse-trigonometric, hyperbolic 
   - polar-rectangular coordinate conversion 
   - power, square root, square, cube root, cube, reciprocal 
   - logarithmic and exponential 
   - factorial 
   - RND 
* Fraction mode
   - /c function 
   - FDISP function: fraction, decimal conversion 
   - most precise fraction 
   - factors of denominator 
   - fixed denominator 
* Other features
   - 40-physics constants 
   - scientific engineering notation 
   - % CHG key 
   - internal Napier precision 
   
  -- SPECIFICATIONs -----------------------------------
PROCESSOR    - 8502
DISPLAY      - Display size: 2 lines x 14 characters + indicators
               Display Type: LCD 
               LCD         : 28 x 5 x 7 dot matrix + indicators 
               Contrast    : Adjustable 
SYSTEM LOGIC - Entry-system logic     : RPN & Algebraic 
               Decimal Point Selection: Yes 
               Built-in functions     : 100+ 
               Menus, prompts, etc.   : Yes 
               Pending operations     : 13-level parenthesis or maximum 
                                          number of pending operation: 13 
                                          @ALG.
               Internal precision     : 15 digits 
MEMORY       - 31KB
               Memory Registers       : 27 reg
INPUT        - Keyboard               : Alphanumeric
ENCLOSURE    - Plastic
POWER- (2) CR2032 batteries; Long battery life with Power Off protection.
SIZE - 3.2"w x 6.2"h x 0.6"d                 WT.- 119 grams