For the individual

This affordable calculator meets the high quality standards that our customers
have come to expect. Do your fingers sometimes feel too big for calculator keys?
We can help the keys on the 30s are larger, softer-edged, and spaced just a little
farther apart on the keypad to help you avoid time-consuming mistakes in keying
in data. Exclusive features like interchangeable bezels and easy-to-use algebraic
entry make the hp 30s an excellent choice for all kind of users.

Through its interchangeable faceplates, the hp 30s is individualized for the
discerning student of today, who demands that products not only offer value for
money but are stylish too. We even include two extra coloured faceplates with the
calculator.

See more with the large two-line display, complete with a convenient editable
command line history The hp 30s includes not only the standard ability to convert
fractions to decimals, but also the ability to convert decimals to fractions. It also
handles conversions for a variety of units, both metric and imperial. This allows
you to quickly solve both quadratic and linear simultaneous equations without
tedious calculations

Physical Features  
- Display  7 x 5 dot matrix, 2 lines 
- Entry system logic  Algebraic 
- Menus, prompts, alpha messages, soft keys  No 
- RAM / no of variables or registers  10 memory registers 
- Built-in functions  Over 66 
- Redefine able keyboard and menu keys  No 

Math and Statistical Features  
- +, -, x, /, SQRT x, 1/x, +/-, ln, ex, n!, yx, log, 10x, x2, %, Pi  Yes 
- Fractions  Yes 
- Trig., Hyperbolic, HP Solve (root finder)  Yes 
- Numeric integration / Complex number functions  No 
- Statistical analysis  Yes 
- SUM x, SUM x2, SUM y, SUM y2, SUM xy  No 
- Sample standard deviation / mean / weighted mean  No 
- Linear regression, combinations, permutations  Yes 
- Curve fit (LIN ,LOG, EXP, POW)  No 
- Normal, X, t, F distribution  No 

Scientific Features  
- Decimal hrs / hrs.min.sec. conversions  Yes 
- Polar / rectangular and angle conversions  Yes 
- Base conversions and arithmetic  Yes 
- Unit conversions  Yes 
- Bit, Boolean operations  No 

Vector and Matrix Operations  
- Matrix operations, rectangular and polar  No 
- Cylindrical, spherical  No 
- HP matrix writer, row and column operations  No 
- APLETS (built-in or added applications including Note and Sketch menus)  No 
- Notepad  No 
- Graphic Functions with interactive graphics  No 

Peripherals  
- Optional Infra-red Printer HP 82240B  No 
- Computer Link  No 
- Two-way Infra-red I/O  No 
- Batteries  2 x LR44