Handy Estimator for Pocket PC's
If you're like most contractors, you're wondering how to make your job easier then our POCKET PC is the right tool for you ! With our friendly calculators you can get more done. 9 out 10 estimating programs require you to do the MATH !! on a side calculator .... ... Just put it into your shirt pocket in the morning go and your all set for the days task of estimating and the Pocket PC will also keep your other records-dates and more. ... Just take this POCKET PC on the job and you can estimate without paper.
http://www.xphstudios.com/users/rmonk/PocketEstimatorSetup.zip - 2b - Download - Screenshot

Calculator.NET
Calculator. NET is an enhanced version of the standard calculator in Microsoft Windows. It uses RPN (Reverse Polish Notation), which is used by many pocket calculators, e. g. from HP. If you have used a HP 11/28/32/42/48, or any other RPN calculator, you will feel right at home. ... This program is completely free. ... Some of the enhancements included: RPN, extended function set, and customizable user interface.
http://www.speech.kth.se/calculator/dist/Setup.msi - 437b - Download - Screenshot

RealtyJuggler Real Estate Calculator
Five Pocket PC / Windows Mobile PDA Real Estate Calculators Just for Realtors. 30 day FREE Trial. Qualify clients fast with maximum loan, mortgage payments and seller net calculators. Double-check your commissions with commission calculator. The Rent vs. ... Own calculator is a great way to convert renters into buyers. ... Download your 30-day FREE trial now from RealOrganized, Inc. ... web site. ... Foolproof and fast. ... Save your calculations for later.
http://www.realorganized.com/downloads/Juggler-C_PPC.exe - 569Kb - Download - Screenshot

Mini Calculator
A simple 'pocket' calculator with all the basic functions, and that uses very little space in your desktop.
http://www.webxpace.net/cgi-bin/countdown.cgi?minicalc.zip - 95Kb - Download - Screenshot

MatrixCalculator
Morello Matrix Calculator is a simple, pocket calculator style program which performs most standard matrix calculations. It supports matrices up to 20 elements square (shareware version is limited to 2 elements square).
http://www.morello.co.uk/matcalc.zip - 229Kb - Download

tApCalc Scientific tape calculator(Arm)
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... The tape can also be saved as a txt file for editing with other applications such as Pocket Word.
http://www.softtrends.com/Downloads/tApCalcSiFi-ArmsTrial.zip - 0b - Download - Screenshot

CalcNote
CalcNote was developed with attention to peculiarities of Pocket PC. It doesn't cover the whole working area of the screen and can be easily moved to any place. You can change the size of CalcNote with one click. It doesn't capture the keyboard focus from other programs. ... CalcNote is just like your desk, where along with business documents there is always a sheet of paper, pen and calculator enabling you to write down the information and make the necessary calculations without bothering yourself with technical features of your Pocket PC.
http://www.inesoft.com/download/CalcNoteSetup.exe - 172Kb - Download - Screenshot

tApCalc Financial tape calculator(Arm & xScale)
tApCalc Finance is a handy financial 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... In addition to standard calculator functions and memory functions, tApCalc Finance provides a host of other financial functions. ... The tape can also be saved as a txt file for editing with other applications such as Pocket Word.
http://www.softtrends.com/Downloads/tApCalcFinance-ArmsTrial.zip - 0b - Download - Screenshot

tApCalc Desk tape calculator(Arm & xScale)
tApCalc Desk is a handy desk 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... In addition to standard calculator functions tApCalc Desk provides a host of other function: - Calculate Mark Up and Mark Down based on sale price - Display running sub-total - Total and Grand total - TAX+ and TAX- to add or remove tax component for a price - Text explanation for each...
http://www.softtrends.com/Downloads/tApCalcDesk-ArmsTrial.zip - 0b - Download - Screenshot

Idea Value Calculator (Pocket PC OS)
The idea value calculator (IVC) allows the value of an idea to be estimated. The method of calculation is based on the assumption that the value of an idea is equal to the sum of all royalties that would be collected on an equivalent valid patent based on this idea. ... If there is a need to estimate an idea's value under the assumption that the equivalent patent would be invalid after t years, a user needs to decrease the term (on t years) to find the value of the idea in this case. ... It is assumed that the patent will not be invalid during its life.
http://www.advmathappl.com/ivcarm.zip - 0b - Download - Screenshot