vCalc is a keyboard driven scientific calcualtor,
that works using the RPN notation common in well
known scientific calculators. It supports a complete set of math, binary
and statistical operations.

tApCalc Suite is a handy calculator value pack for Pocket PC. It contains all 3 calculators i.e. tApCalc Desk, tApCalc Finance and tApCalc Scientific. All 3 calculaors provide.

- Paper tape to save,load,edit,run calculations done before
- Print and beam options for paper tapes
- Easy access to all 3 calculators from New menu
- Preferences specific to functionality
- They provide all standard Financial,Accounting, Scientific keys

tApCalc SciFi is a handy Scientific calculator for Pocket PC. It provides a simulated paper tape that allows users to record calculations and save them for future reference. Paper tape simulation has many advantages. You can start a calculation and continue adding new calculations till you have entered all data, you can edit wrong data in the calculation without re-entering all data again, you can recalculate the calculations recorded and edited.

Ultimate Advantage? is a Unit Aware? calculator that lets you work with feet-inch-fraction dimensional values and includes advanced math functions, automatic solvers, and much more. Unit Aware? means that you can effortlessly compute with units (not just convert). It also has great options like algebraic and RPN entry, customizable buttons for unit entry, and display precision options. Available for both Windows and Pocket PC.

Scientific Advantage? is a Unit Aware? calculator that lets you work with feet-inch-fraction dimensional values and includes advanced math functions, automatic solvers, and much more. Unit Aware? means that you can effortlessly compute with units (not just convert). It also has great options like algebraic and RPN entry, customizable buttons for unit entry, and display precision options. Available for both Windows and Pocket PCs.

Household Calculator is a general purpose ergonomic calculator which combines use simplicity and calculation power. Household Calculator handles main arithmetic operations with two operands, addition, subtraction, multiplication, division, and complex formulas with unlimited number of operations and operands.

Scientific calculator and function plotter. Logic operators. 10 constant memories. Automatic bracket completion. Three angle units. Square and cubic roots.Trig. functions. Hyperbolic functions. Logarithm. Numerical integration. Combinations and permutations.
Plot functions: linear and logarithmic plots. Parametric plots. Multiple plots in one window. Zoom function. Printing function. Export to clipboard. Function value at mouse position.

Powerful Calculator for Finance, Science, Math, Stats, Unit Conversions, Date and Time Calculations, Numeric Bases, Bit-Level Operations, Complex Numbers, Random Numbers, Prime Numbers, Fractions, Trigonometry, NIST Scientific Constants. Quick Popup Access. Selectable Keypads, Button Size, Font, Display Format. Editable Work Area: Calculate, Annotate Your Work, Change and Repeat Your Calculations, Save to File and Restore. Detailed Help File.

Math Functions, factorization, financal, currencies. Average, regression, factorial. Dates. Complexes (add, powers, products...). Chart y=f(x). Units converter. Planets ephemerids, Jupiter Satellites, Geometry (Euler, Simson...) Gravitation. Fourier Series. Pi decimals (10000), Chaotic Pendule, Solar System, Games (invaders, blocs, balls, billard...). Calendars, Molar Mass Calculation, Taylor expansion, Bernoulli, Gamma, Euler, Prime numbers...