overview

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.

Subject suitability

• Engineering
• Surveying
• Math
• Science
• Statistics
  

Features

• 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
  • Σ+: enter data point
  • Σ-: remove data point
  • SUM: n, Σx, Σy, Σx², Σy2, Σxy
  • S, σ :, Sx, Sy, σx, σy
  • 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
  • unit conversions: →cm, →in, →l, →gal, →kg, →lb, →°F , →°C
  • time conversions: →HR, →HMS
  • engineering notation conversions: →ENG, ←ENG
  • % CHG key