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An emulator for the HP 49g+/50g calculator series. This is an ARM-based emulator (unlike emu48 / debug4x), so it is possible to run hpgcc binaries within the emulator. Skins for both variants of the calculator are included. Known limitations: - Cannot write to port 2. Libraries will eat up your RAM. - HPGCC2/3 SD I/O is unstable.

A Braintenberg vehicle simulator with pseudo-physics

XZX is a portable emulator of ZX Spectrum 48K/128K/+3 (8-bit home computers made by Sir Clive Sinclair) for machines running UNIX and the X Window system. XZX emulates either a Spectrum 48K, 128K or +3, Interface I with up to 8 microdrives, Multiface 128 (if you have the ROM image) and Kempston joystick. XZX loads from .SNA, .Z80, .SLT, .DAT, .TAP, .TZX, .VOC, .MDR and .DSK files and saves to .SNA, .Z80, .SLT, .TAP, .MDR, .DSK and .SCR files. XZX will work with color (8,16,24,32bpp) and monochrome displays, where contrasting colours are displayed with the darker colour in black and the lighter colour in white, which works reasonably well. Halftoning is used if the scaling factor is increased.

wxMupen64plus is A Mupen64Plus v2 frontend written with wxWidgets

Expense is a very lightweight application to track your expenses, much like you might expect to find on a PDA. It is built upon the code found in Yen-ju Chen's excellent money.app tutorial. I use Expense daily, but it still contains bugs. LICENSE: GPL2 or later

The aim of the program is to make it as easy as possible for people to do their own personal budgets and keep track of their finances.

These subroutines tell you whether a credit card number is self-consistent -- whether the last digit of the number is a valid checksum for the preceding digits. The validate() subroutine returns 1 if the card number provided passes the checksum test, and 0 otherwise. The cardtype() subroutine returns a string containing the type of card: "MasterCard", "VISA", and so on. My list is not complete; I welcome additions. The generate_last_digit() subroutine computes and returns the last digit of the card given the preceding digits. With a 16-digit card, you provide the first 15 digits; the subroutine returns the sixteenth.

NAME Business::MaxMind::CreditCardFraudDetection - Access MaxMind minFraud services ABSTRACT This module queries the MaxMind minFraud service and returns the results. The service uses a free e-mail database, an IP address geog- raphy database, a bank identification number, and proxy checks to return a risk factor score representing the likelihood that the credit card transaction is fraudulent.

Provides common bindings for Stripe payment system. Any API calls that do not have bindings can be access through the generic api method.

Business::OnlinePayment is a generic interface for processing payments through online credit card processors, online check acceptance houses, etc. (If you like buzzwords, call it an "multiplatform ecommerce-enabling middleware solution"). IMPORTANT: Business::OnlinePayment only defines the frontend interface to the system, in order to use it you also need to have at least one backend processing module installed, the processors supported are listed below along with the types of transactions supported.