TSD Rally Computer

This iPad app is designed to simplify computations necessary to navigate a traditional time-speed-distance (TSD) automobile rally. ...More

User's Guide

GPS Rally Computer

GPS Rally Computer is a Universal app for traditional TSD automobile rallying. It is based on the SRC spec by Clarence Westburg and Rich Bireta. ...More

User's Guide

TSD Rally Clock

This iPhone app allows you to synchronize to the Official Rally Time by making adjustments in increments of +/– 0.1 seconds to account for total errors of as much as + or – 10 seconds. ...More

TSD Rally Split

This iPhone app consists of two clocks with different purposes. Master•Time is the rally time-of-day clock and Monte•Carlo is the stopwatch with splits. ...More

GPS Twin Odometers

Expressly designed for Historic, Classic, and Vintage road rallies that allow modern versions of classic instruments like the Halda Twinmaster. ...More

GPS Rally Odometer

This iPhone app is designed for various types of automobile rallies that require measurement of time, speed, and distance between segments of the rally route including stages and checkpoints. ...More

Control Zone Rally

This iPhone app is designed for a particular type of automobile rally called a Control Zone Rally. ...More

Open Road Race Timer

The Open Road Race Timer is designed for high speed automobile racing on closed highways. The race objective is to travel a course of known length at a set rate of speed. ...More

Dual Splits

Two iPhone stopwatches each with a split timer. ...More

Toggle Split

Two iPhone stopwatches each with a split timer. You can alternate between Toggle•Split•A and Toggle•Split•B. ...More

TSD Jogularity

Jogularity is a rally timing system developed by English rallymaster John Brown. In the U.S., this style of rallying is often called Regularity. ...More

TSD Remote

This iPhone app is a companion to TSD Rally Computer and GPS Rally Computer apps. It is a heads-up display for the rally driver. ...More

NCREIF Property Index (NPI)

This iPad app provides quarterly and annual total returns for thousands institutional-grade office, retail, apartment, industrial, and hotel properties. ...More

NCREIF MVI FCFY CXR

NCREIF has created three new data series for commercial property appreciation and operations. Unlike the NPI, these series are equally weighted samples of commercial real estate nationally. ...More

NCREIF Open-end Diversified Core Equity (ODCE)

This popular NCREIF performance index provides quarterly and annual total returns for 28 institutional open-end commingled real estate funds. ...More

NCREIF Farmland and Timberland

These two indices provide quarterly and annual total returns for agricultural and timber properties. ...More

Six Functions of a $1

This Universal (iPhone and iPad) app is a suite of computational routines commonly used in finance, economics, engineering, and real estate. ...More

Save $$$$$$

Use this app to determine a savings plan in one of two ways: by computing how much will be accumulated by saving a particular amount each month over a given time horizon, or by computing how much must be saved each month over a given time horizon to accumulate to a particular future amount. ...More

Internal Rate of Return (IRR)

This app offers a fast and easy way to compute the IRR of a stream of annual amounts usually starting with an investment treated as a negative amount. ...More

Present Value (PV) or Future Value (FV)

This app offers a fast and easy way to compute the present value of a stream of annual amounts at discount rates ranging from 0% to 25% in increments of 0.125%. ...More

Linear Regression

In statistics, linear regression is a technique for estimating the relationship between an independent variable, X, and its scalar result, the dependent variable, Y, derived from a series of X-Y relationships. ...More

Bootstrap Statistics (Resampling Stats)

Bootstrapping is a technique for measuring sample statistics from a relatively small set of data elements. By randomly resampling with replacement from the array of data elements, the software is able to generate a distribution that approximates the Normal Distribution. ...More

Correlation Coefficient

The correlation coefficient (commonly noted by the Greek letter rho, ρ) measures the degree to which two sets of numbers are related. The correlation coefficient can range from -1.000 to +1.000 with a 0 indicating that there is no relation between the two sets. ...More

Correlation Confidence Intervals

Correlation is a quantitative tool commonly used by researchers to separate data sets into independent subgroups. The degree to which the subgroups are distinct depends upon the overlap between subgroups measured by the confidence intervals. ...More

Confidence Intervals (Statistical Inference)

In statistics, confidence intervals can be used to express the degree to which sample results are reliable. Confidence intervals for one or two tails of the distribution are often stated in percentage terms like 90% or 95%. ...More

Difference Between Means Stats

The mean difference is a measure of statistical dispersion between to means of two independent samples. This app tests the hypothesis that the means, μ, of two samples are equal at some level of probability, p. The relevant statistic is the Student's t-test for the appropriate probability and degrees of freedom, df. ...More

Treasury Yield Curve

The U.S. Department of the Treasury provides yields for bills, notes, and bonds at various maturities for each day in which the instruments are available for trading. This app shows daily yields for the first trading day of January 2010 onward. ...More

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